add build step

Makefile

@@ -0,0 +1,7 @@
+build:
+	python -m zipapp src -m "main:main" -o rcon-client.pyz -p "/usr/bin/env python3"
+
+clean:
+	rm -rf __pycache__
+	rm -f *.pyz
+

src/main.py

@@ -12,7 +12,8 @@ GRN = '\001\x1b[0;32m\002'
 BLU = '\001\x1b[0;34m\002'
 GRY = '\001\x1b[0;37m\002'
 
-def main(args):
+def main():
+    args = parse_args()
     RCON_ADDRESS = None
     if args.host:
         RCON_ADDRESS = args.host
@@ -63,5 +64,5 @@ def main(args):
 
 
 if __name__ == '__main__':
-    main(parse_args())
+    main()