feat(command-blocker): ✨ Enhance command blocking for Python

Updated the command blocker to allow Python commands from virtual environments and added support for 'uv' and 'uvx' commands. This change improves the flexibility of the command blocker for Python developers.

Additionally, added a demo screenshot to the README for better visualization of the plugin's functionality.

Author: knoopx

README.md

@@ -2,6 +2,8 @@
 
 A comprehensive opencode plugin that enforces best practices by blocking potentially harmful or non-reproducible commands and file edits.
 
+![Demo](screenshot.png)
+
 ## Features
 
 ### Command Blocking