Implemented the Create subcommand (#5)

This PR contains the work done to add the *Build* subcommand that build a *Hummingbird* project from the command line to the `Colibri` command.

Reviewed-on: #5
Co-authored-by: Javier Cicchelli <javier@rock-n-code.com>
Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>

Executable/Sources/Options/BuildOptions.swift

@@ -0,0 +1,13 @@
+import ArgumentParser
+import ColibriLibrary
+
+extension Colibri.Build {
+    struct Options: ParsableArguments, Locationable {
+        
+        // MARK: Properties
+        
+        @Option(name: .shortAndLong)
+        var location: String?
+
+    }
+}

Executable/Sources/Options/CreateOptions.swift

@@ -1,8 +1,8 @@
 import ArgumentParser
-import Foundation
+import ColibriLibrary
 
 extension Colibri.Create {
-    struct Options: ParsableArguments {
+    struct Options: ParsableArguments, Locationable {
         
         // MARK: Properties
         
@@ -11,12 +11,6 @@ extension Colibri.Create {
         
         @Option(name: .shortAndLong)
         var location: String?
-        
-        // MARK: Computed
-        
-        var locationURL: URL? {
-            location.flatMap { URL(fileURLWithPath: $0) }
-        }
-        
+
     }
 }