Implemented the missing Database endpoints (#8)

This PR contains the work done to declare the missing, non-GET endpoints of the *Database* section in the [Discogs API documentation](https://www.discogs.com/developers#page:database) into the `OpenAPI` specification document.

Furthermore, documentation extensions have been defined for the `APIProtocol` and `Client` types in the `DocC` documentation catalog to match the categories of these endpoint calls to the categories in the Discogs documentation.

Reviewed-on: #8
Co-authored-by: Javier Cicchelli <javier@rock-n-code.com>
Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>

docs/data/documentation/discogsservice/components/parameters/perpage.json

@@ -1 +1 @@
-{"hierarchy":{"paths":[["doc:\/\/DiscogsService\/documentation\/DiscogsService","doc:\/\/DiscogsService\/documentation\/DiscogsService\/Components","doc:\/\/DiscogsService\/documentation\/DiscogsService\/Components\/Parameters"]]},"identifier":{"interfaceLanguage":"swift","url":"doc:\/\/DiscogsService\/documentation\/DiscogsService\/Components\/Parameters\/PerPage"},"sections":[],"abstract":[{"text":"A number of items to return per page.","type":"text"}],"variants":[{"traits":[{"interfaceLanguage":"swift"}],"paths":["\/documentation\/discogsservice\/components\/parameters\/perpage"]}],"schemaVersion":{"patch":0,"minor":3,"major":0},"metadata":{"fragments":[{"kind":"keyword","text":"typealias"},{"kind":"text","text":" "},{"text":"PerPage","kind":"identifier"}],"modules":[{"name":"DiscogsService"}],"symbolKind":"typealias","role":"symbol","navigatorTitle":[{"text":"PerPage","kind":"identifier"}],"roleHeading":"Type Alias","externalID":"s:14DiscogsService10ComponentsO10ParametersO7PerPagea","title":"Components.Parameters.PerPage"},"primaryContentSections":[{"kind":"declarations","declarations":[{"languages":["swift"],"platforms":["macOS"],"tokens":[{"kind":"keyword","text":"typealias"},{"text":" ","kind":"text"},{"kind":"identifier","text":"PerPage"},{"kind":"text","text":" = "},{"text":"Int","kind":"typeIdentifier","preciseIdentifier":"s:Si"}]}]},{"content":[{"level":2,"type":"heading","anchor":"discussion","text":"Discussion"},{"style":"note","type":"aside","name":"Remark","content":[{"type":"paragraph","inlineContent":[{"type":"text","text":"Generated from "},{"type":"codeVoice","code":"#\/components\/parameters\/PerPage"},{"type":"text","text":"."}]}]}],"kind":"content"}],"kind":"symbol","references":{"doc://DiscogsService/documentation/DiscogsService":{"title":"DiscogsService","url":"\/documentation\/discogsservice","type":"topic","role":"collection","abstract":[],"kind":"symbol","identifier":"doc:\/\/DiscogsService\/documentation\/DiscogsService"},"doc://DiscogsService/documentation/DiscogsService/Components/Parameters":{"title":"Components.Parameters","url":"\/documentation\/discogsservice\/components\/parameters","role":"symbol","abstract":[{"type":"text","text":"Types generated from the "},{"type":"codeVoice","code":"#\/components\/parameters"},{"text":" section of the OpenAPI document.","type":"text"}],"type":"topic","fragments":[{"kind":"keyword","text":"enum"},{"kind":"text","text":" "},{"kind":"identifier","text":"Parameters"}],"identifier":"doc:\/\/DiscogsService\/documentation\/DiscogsService\/Components\/Parameters","navigatorTitle":[{"kind":"identifier","text":"Parameters"}],"kind":"symbol"},"doc://DiscogsService/documentation/DiscogsService/Components/Parameters/PerPage":{"kind":"symbol","abstract":[{"type":"text","text":"A number of items to return per page."}],"fragments":[{"text":"typealias","kind":"keyword"},{"text":" ","kind":"text"},{"text":"PerPage","kind":"identifier"}],"type":"topic","url":"\/documentation\/discogsservice\/components\/parameters\/perpage","role":"symbol","navigatorTitle":[{"text":"PerPage","kind":"identifier"}],"title":"Components.Parameters.PerPage","identifier":"doc:\/\/DiscogsService\/documentation\/DiscogsService\/Components\/Parameters\/PerPage"},"doc://DiscogsService/documentation/DiscogsService/Components":{"url":"\/documentation\/discogsservice\/components","title":"Components","role":"symbol","abstract":[{"type":"text","text":"Types generated from the components section of the OpenAPI document."}],"type":"topic","fragments":[{"kind":"keyword","text":"enum"},{"text":" ","kind":"text"},{"text":"Components","kind":"identifier"}],"identifier":"doc:\/\/DiscogsService\/documentation\/DiscogsService\/Components","navigatorTitle":[{"kind":"identifier","text":"Components"}],"kind":"symbol"}}}
+{"schemaVersion":{"major":0,"patch":0,"minor":3},"abstract":[{"type":"text","text":"A number of items to return per page."}],"metadata":{"title":"Components.Parameters.PerPage","symbolKind":"typealias","modules":[{"name":"DiscogsService"}],"externalID":"s:14DiscogsService10ComponentsO10ParametersO7PerPagea","role":"symbol","navigatorTitle":[{"kind":"identifier","text":"PerPage"}],"roleHeading":"Type Alias","fragments":[{"text":"typealias","kind":"keyword"},{"text":" ","kind":"text"},{"text":"PerPage","kind":"identifier"}]},"identifier":{"url":"doc:\/\/DiscogsService\/documentation\/DiscogsService\/Components\/Parameters\/PerPage","interfaceLanguage":"swift"},"sections":[],"variants":[{"paths":["\/documentation\/discogsservice\/components\/parameters\/perpage"],"traits":[{"interfaceLanguage":"swift"}]}],"hierarchy":{"paths":[["doc:\/\/DiscogsService\/documentation\/DiscogsService","doc:\/\/DiscogsService\/documentation\/DiscogsService\/Components","doc:\/\/DiscogsService\/documentation\/DiscogsService\/Components\/Parameters"]]},"primaryContentSections":[{"kind":"declarations","declarations":[{"platforms":["macOS"],"languages":["swift"],"tokens":[{"text":"typealias","kind":"keyword"},{"text":" ","kind":"text"},{"text":"PerPage","kind":"identifier"},{"text":" = ","kind":"text"},{"text":"Int","preciseIdentifier":"s:Si","kind":"typeIdentifier"}]}]},{"kind":"content","content":[{"type":"heading","anchor":"discussion","level":2,"text":"Discussion"},{"type":"aside","name":"Remark","style":"note","content":[{"inlineContent":[{"text":"Generated from ","type":"text"},{"type":"codeVoice","code":"#\/components\/parameters\/PerPage"},{"text":".","type":"text"}],"type":"paragraph"}]}]}],"kind":"symbol","references":{"doc://DiscogsService/documentation/DiscogsService/Components/Parameters/PerPage":{"type":"topic","title":"Components.Parameters.PerPage","identifier":"doc:\/\/DiscogsService\/documentation\/DiscogsService\/Components\/Parameters\/PerPage","abstract":[{"type":"text","text":"A number of items to return per page."}],"navigatorTitle":[{"text":"PerPage","kind":"identifier"}],"kind":"symbol","url":"\/documentation\/discogsservice\/components\/parameters\/perpage","role":"symbol","fragments":[{"text":"typealias","kind":"keyword"},{"text":" ","kind":"text"},{"text":"PerPage","kind":"identifier"}]},"doc://DiscogsService/documentation/DiscogsService/Components/Parameters":{"type":"topic","role":"symbol","kind":"symbol","fragments":[{"kind":"keyword","text":"enum"},{"text":" ","kind":"text"},{"text":"Parameters","kind":"identifier"}],"navigatorTitle":[{"text":"Parameters","kind":"identifier"}],"title":"Components.Parameters","identifier":"doc:\/\/DiscogsService\/documentation\/DiscogsService\/Components\/Parameters","url":"\/documentation\/discogsservice\/components\/parameters","abstract":[{"text":"Types generated from the ","type":"text"},{"code":"#\/components\/parameters","type":"codeVoice"},{"text":" section of the OpenAPI document.","type":"text"}]},"doc://DiscogsService/documentation/DiscogsService":{"type":"topic","title":"DiscogsService","url":"\/documentation\/discogsservice","role":"collection","abstract":[],"kind":"symbol","identifier":"doc:\/\/DiscogsService\/documentation\/DiscogsService"},"doc://DiscogsService/documentation/DiscogsService/Components":{"type":"topic","role":"symbol","kind":"symbol","fragments":[{"text":"enum","kind":"keyword"},{"text":" ","kind":"text"},{"text":"Components","kind":"identifier"}],"navigatorTitle":[{"text":"Components","kind":"identifier"}],"title":"Components","url":"\/documentation\/discogsservice\/components","identifier":"doc:\/\/DiscogsService\/documentation\/DiscogsService\/Components","abstract":[{"text":"Types generated from the components section of the OpenAPI document.","type":"text"}]}}}