Migrating from the classic setup.py to a using PyProject approach.

plugin.py

@@ -0,0 +1,9 @@
+from colorama import Fore, Style
+import subprocess
+import sys
+
+def post_install():
+    print(f"\n{Fore.YELLOW}{'='*40}")
+    print(f"{Fore.RED}IMPORTANT: Run this command now:")
+    print(f"{Fore.GREEN}python -m playwright install")
+    print(f"{Fore.YELLOW}{'='*40}{Style.RESET_ALL}\n")