Renamed the WebsiteCore target in the Website service package as WebsiteLibrary. (#14)

This PR contains the work done to rename the _Website_ service's library SwiftPM target from `WebsiteCore` to `WebsiteLibrary`, updating every reference across the manifest, source, tests, Xcode schemes, and documentations.

Reviewed-on: rock-n-code/loud-amsterdam#14
Co-authored-by: Javier Cicchelli <javier@rock-n-code.com>
Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>

Services/Website/Tests/Library/Cases/Public/Controllers/HealthControllerTests.swift

@@ -5,7 +5,7 @@ import NIOCore
 import Persistence
 import Testing
 
-@testable import WebsiteCore
+@testable import WebsiteLibrary
 
 @Suite("HealthController controller")
 struct HealthControllerTests {

Services/Website/Tests/Library/Cases/Public/Controllers/RootControllerTests.swift

@@ -3,7 +3,7 @@ import HummingbirdTesting
 import NIOCore
 import Testing
 
-@testable import WebsiteCore
+@testable import WebsiteLibrary
 
 @Suite("RootController controller")
 struct RootControllerTests {

Services/Website/Tests/Library/Cases/Public/Middlewares/LocalizationMiddlewareTests.swift

@@ -4,7 +4,7 @@ import HummingbirdTesting
 import NIOCore
 import Testing
 
-@testable import WebsiteCore
+@testable import WebsiteLibrary
 
 @Suite("LocalizationMiddleware middleware")
 struct LocalizationMiddlewareTests {

Services/Website/Tests/Library/Cases/Public/Middlewares/NotFoundMiddlewareTests.swift

@@ -3,7 +3,7 @@ import HummingbirdTesting
 import NIOCore
 import Testing
 
-@testable import WebsiteCore
+@testable import WebsiteLibrary
 
 @Suite("NotFoundMiddleware middleware")
 struct NotFoundMiddlewareTests {

Services/Website/Tests/Library/Cases/Public/Middlewares/SecurityHeadersMiddlewareTests.swift

@@ -2,7 +2,7 @@ import Hummingbird
 import HummingbirdTesting
 import Testing
 
-@testable import WebsiteCore
+@testable import WebsiteLibrary
 
 @Suite("SecurityHeadersMiddleware middleware")
 struct SecurityHeadersMiddlewareTests {