feat: add Home Feed with pull-to-refresh and gobackend.getLocalTime() API

- Add Home Feed/Explore feature with extension capabilities system
- Add pull-to-refresh on home feed (replaces refresh button)
- Add gobackend.getLocalTime() API for accurate device timezone detection
- Add YT Music Quick Picks UI with swipeable vertical format
- Fix greeting time showing wrong time due to Goja getTimezoneOffset() returning 0
- Update spotify-web and ytmusic extensions to use getLocalTime()
- Add Turkish language support
- Update CHANGELOG for v3.2.0

ios/Runner/AppDelegate.swift

@@ -605,6 +605,21 @@ import Gobackend  // Import Go framework
             if let error = error { throw error }
             return nil
             
+        // Extension Home Feed API
+        case "getExtensionHomeFeed":
+            let args = call.arguments as! [String: Any]
+            let extensionId = args["extension_id"] as! String
+            let response = GobackendGetExtensionHomeFeedJSON(extensionId, &error)
+            if let error = error { throw error }
+            return response
+            
+        case "getExtensionBrowseCategories":
+            let args = call.arguments as! [String: Any]
+            let extensionId = args["extension_id"] as! String
+            let response = GobackendGetExtensionBrowseCategoriesJSON(extensionId, &error)
+            if let error = error { throw error }
+            return response
+            
         default:
             throw NSError(
                 domain: "SpotiFLAC",