feat: Enhance domain management and configuration in the extension

- Introduce default configuration settings for API key, domains database URL, update interval, and warning message template in background.js and options.js.
- Update domains database URL to a new source for improved reliability.
- Refactor domain management UI in domains_management.js to support adding, editing, and removing trusted and blocked domains with enhanced user experience.
- Implement search functionality for filtering domains in the management interface.
- Improve status messaging for user feedback during domain operations.

manifest.json

@@ -43,7 +43,7 @@
   },
   "options_page": "options.html",
   "content_security_policy": {
-    "extension_pages": "script-src 'self'; object-src 'self'; connect-src 'self' https://raw.githubusercontent.com/ https://safebrowsing.googleapis.com/",
+    "extension_pages": "script-src 'self'; object-src 'self'; connect-src 'self' https://git.365devnet.eu/ https://safebrowsing.googleapis.com/",
     "sandbox": "sandbox allow-scripts allow-forms allow-popups allow-modals; script-src 'self' 'unsafe-inline' 'unsafe-eval'; child-src 'self'"
   },
   "web_accessible_resources": [{