Enhance security and functionality of Bludit Secure plugin

- Added userHandle support in secure.js for WebAuthn credential response.
- Implemented authorization check for SSO configuration changes in plugin.php.
- Improved user session management and validation in App.php, including userStamp for enhanced security.
- Updated Store.php to ensure secure data handling and improved error handling during transactions.
- Removed outdated test files for auto-passkey and core functionality.
- Added OidcClient.php to enforce strict validation of OpenID Connect requests and responses.
- Enhanced error handling and logging throughout the application for better debugging.

.gitignore

@@ -1,3 +1,4 @@
 /vendor/
 /dist/
+/.tools/
 __pycache__/