Upgrade: New Home Screen for Khoj (#860)

* V1 of the new automations page
Implemented:
- Shareable
- Editable
- Suggested Cards
- Create new cards
- added side panel new conversation button
- Implement mobile-friendly view for homepage
- Fix issue of new conversations being created when selected agent is changed
- Improve center of the homepage experience
- Fix showing agent during first chat experience
- dark mode gradient updates

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Co-authored-by: sabaimran <narmiabas@gmail.com>

src/interface/web/app/common/chatFunctions.ts

@@ -76,7 +76,9 @@ export const setupWebSocket = async (conversationId: string, initialMessage?: st
 
     let webSocketUrl = `${wsProtocol}//${host}/api/chat/ws`;
 
-    if (conversationId === null) return null;
+    if (conversationId === null) {
+        return null;
+    }
 
     if (conversationId) {
         webSocketUrl += `?conversation_id=${conversationId}`;