feat: comprehensive package enhancements and infrastructure

Author: DiogoRibeiro7

tests/test_cli.py

@@ -106,11 +106,11 @@ def test_main_no_command():
             ["World", "--uppercase"],
             "HELLO, WORLD!",
         ),
-        # (
-        #     "format",
-        #     ["World", "--max-length", "10"],
-        #     "Hello, Wo...",
-        # ),
+         (
+             "format",
+             ["World", "--max-length", "10"],
+             "Hello, ...",
+         ),
         (
             "multi",
             ["Alice", "Bob"],