Refactor caching and Telegram integration

- Updated configuration to enforce Redis caching for notified articles, removing memory cache options.
- Enhanced wallamonitor.py to load Redis cache settings and handle errors more effectively.
- Implemented new API endpoints for clearing Redis cache and retrieving Telegram forum topics.
- Improved frontend components to support fetching and displaying available Telegram threads.
- Added functionality for clearing cache from the UI, ensuring better management of notified articles.

web/frontend/src/services/api.js

@@ -69,5 +69,17 @@ export default {
     const response = await api.get('/config');
     return response.data;
   },
+
+  // Telegram
+  async getTelegramThreads() {
+    const response = await api.get('/telegram/threads');
+    return response.data;
+  },
+
+  // Cache
+  async clearCache() {
+    const response = await api.delete('/cache');
+    return response.data;
+  },
 };