feat: add unistall CA cert feature

README.md

@@ -209,6 +209,8 @@ Firefox uses its own certificate store, so even after OS-level install you need
 
 > **Auto-install on startup:** When running in `apps_script` mode the proxy will automatically detect if the CA is not yet trusted and attempt to install it for you. If it succeeds you'll see a confirmation in the log; if it fails (e.g. needs administrator rights) it will print instructions. You can also run `python main.py --install-cert` at any time to (re-)install the certificate.
 
+> **Uninstalling:** To remove the certificate from your system's trust stores, run `python main.py --uninstall-cert` or use `python start.bat --uninstall-cert` on Windows. This removes the certificate from all system trust stores and Firefox profiles.
+
 > ⚠️ **Security note:** This certificate only works locally on your machine. Don't share the `ca/` folder with anyone. If you want to start fresh, delete the `ca/` folder and the tool will generate a new one.
 
 ---
@@ -312,6 +314,7 @@ python3 main.py --disable-socks5         # Disable SOCKS5 listener
 python3 main.py --log-level DEBUG        # Show detailed logs
 python3 main.py -c /path/to/config.json  # Use a different config file
 python3 main.py --install-cert           # Install MITM CA certificate and exit
+python3 main.py --uninstall-cert         # Remove MITM CA certificate and exit
 python3 main.py --no-cert-check          # Skip automatic CA install check on startup
 ```