Implemented the Open subcommand. (#9)

This PR contains the work done to implement the `Open` subcommand to the `colibri` executable, which open a *Hummingbird* project with either Visual Studio Code or Xcode.

Reviewed-on: #9
Co-authored-by: Javier Cicchelli <javier@rock-n-code.com>
Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>

Executable/Sources/Colibri.swift

@@ -11,6 +11,7 @@ struct Colibri: AsyncParsableCommand {
             Build.self,
             Clean.self, 
             Create.self,
+            Open.self, 
             Outdated.self,
             Update.self
         ],

Executable/Sources/Commands/OpenCommand.swift

@@ -0,0 +1,29 @@
+import ArgumentParser
+import ColibriLibrary
+
+extension Colibri {
+    struct Open: AsyncParsableCommand {
+        
+        // MARK: Properties
+        
+        static let configuration = CommandConfiguration(
+            commandName: "open-project",
+            abstract: "Open a Hummingbird app",
+            helpNames: .shortAndLong,
+            aliases: ["open"]
+        )
+        
+        @OptionGroup var options: Options
+        
+        // MARK: Functions
+        
+        mutating func run() async throws {
+            let terminalService = TerminalService()
+            
+            let openProject = OpenProjectTask(terminalService: terminalService)
+            
+            try await openProject(with: options.ide, at: options.locationURL)
+        }
+        
+    }
+}

Executable/Sources/Extensions/IDE+Conformances.swift

@@ -0,0 +1,6 @@
+import ArgumentParser
+import ColibriLibrary
+
+// MARK: - ExpressibleByArgument
+
+extension IDE: ExpressibleByArgument {}

Executable/Sources/Options/OpenOptions.swift

@@ -0,0 +1,16 @@
+import ArgumentParser
+import ColibriLibrary
+
+extension Colibri.Open {
+    struct Options: ParsableArguments, Locationable {
+        
+        // MARK: Properties
+        
+        @Option(name: .shortAndLong)
+        var ide: IDE = .xcode
+        
+        @Option(name: .shortAndLong)
+        var location: String?
+        
+    }
+}