feat(api): add uninstall script and enhance install script functionality

- Introduced an uninstall script for agents, allowing users to easily remove the agent with a single command.
- Updated `install.sh` to quote configuration values for safety, ensuring compatibility with names containing spaces.
- Enhanced the installation process to include a warning if the uninstall script cannot be downloaded.
- Updated documentation to reflect the new uninstall functionality and changes in configuration file handling.

apps/api/src/plugins/auth.ts

@@ -50,6 +50,7 @@ function isPublicPath(url: string): boolean {
   if (path.startsWith('/v1/agent/enroll')) return true
   if (path.startsWith('/v1/agent/install')) return true
   if (path.startsWith('/v1/agent/sync-script')) return true
+  if (path.startsWith('/v1/agent/uninstall')) return true
   if (path.startsWith('/v1/agent/mikrotik')) return true
   return false
 }