add main

main.py

@@ -0,0 +1,13 @@
+from rich import print
+
+class Greeter:
+    def greet(self) -> str:
+        return "Hello World"
+
+def main():
+    greeter = Greeter()
+    message = greeter.greet()
+    print(message)
+
+if __name__ == "__main__":
+    main()