fix: add error handling for localStorage and HTTP requests

Author: Saurabh Kumar Bajpai

frontend/js/community-stories.js

@@ -49,7 +49,7 @@ document.addEventListener('DOMContentLoaded', () => {
         }
     ];
 
-    let stories = JSON.parse(localStorage.getItem('bibliodrift_community_stories')) || defaultStories;
+    let (function(){ try { return JSON.parse(localStorage.getItem('bibliodrift_community_stories')); } catch { return null; } })() || defaultStories;
 
     // Save to local storage
     const saveStories = () => {