Added the Build command to the subcommands lists of the Colibri command in the executable target

Executable/Sources/Colibri.swift

@@ -7,7 +7,10 @@ struct Colibri: AsyncParsableCommand {
 
     static let configuration = CommandConfiguration(
         abstract: "The utility to manage your Hummingbird apps",
-        subcommands: [Create.self]
+        subcommands: [
+            Build.self,
+            Create.self
+        ],
     )
     
 }