Refactor in one unique command with subcommand + add a new command to generate ressources from a configuration file

Sources/ResgenSwift/Strings/Strings.swift

@@ -0,0 +1,30 @@
+//
+//  main.swift
+//  
+//
+//  Created by Thibaut Schmitt on 10/01/2022.
+//
+
+import ToolCore
+import Foundation
+import ArgumentParser
+
+struct Strings: ParsableCommand {
+    
+    static var configuration = CommandConfiguration(
+        abstract: "A utility for generate strings.",
+        version: ResgenSwiftVersion,
+
+        // Pass an array to `subcommands` to set up a nested tree of subcommands.
+        // With language support for type-level introspection, this could be
+        // provided by automatically finding nested `ParsableCommand` types.
+        subcommands: [Twine.self, Stringium.self, Tags.self]
+
+        // A default subcommand, when provided, is automatically selected if a
+        // subcommand is not given on the command line.
+        //defaultSubcommand: Twine.self
+    )
+}
+
+//Strings.main()
+