Created the library and test targets as well as the executable and library products for the Package file.

Sources/Executable/Colibri.swift

@@ -0,0 +1,13 @@
+import ArgumentParser
+import ColibriLibrary
+
+@main
+struct Colibri: AsyncParsableCommand {
+    
+    // MARK: Functions
+    
+    func run() async throws {
+        // ...
+    }
+    
+}