feat: Add chat embeds v1

Youtube and Website metadata embeds

toju-app/src/app/store/messages/messages.reducer.ts

@@ -206,6 +206,17 @@ export const messagesReducer = createReducer(
     });
   }),
 
+  // Update link metadata on a message
+  on(MessagesActions.updateLinkMetadata, (state, { messageId, linkMetadata }) =>
+    messagesAdapter.updateOne(
+      {
+        id: messageId,
+        changes: { linkMetadata }
+      },
+      state
+    )
+  ),
+
   // Clear messages
   on(MessagesActions.clearMessages, (state) =>
     messagesAdapter.removeAll({