Bumpted to Swift 5.5

Also moved and renamed files

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.4
+// swift-tools-version:5.5
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription

Sources/ScoutCLT/Main/ScoutMainCommand.swift

@@ -21,6 +21,7 @@ Written by Alexis Bridoux. Copyright (c) 2020-present.
 MIT license, see LICENSE file for details
 """
 
+@main
 struct ScoutMainCommand: ParsableCommand {
 
     // MARK: - Constants

Sources/ScoutCLT/Main/main.swift

@@ -1,6 +0,0 @@
-//
-// Scout
-// Copyright (c) 2020-present Alexis Bridoux
-// MIT license, see LICENSE file for details
-
-ScoutMainCommand.main()