add back edit sidebar button

src/seqta/utils/MessageListener.js

@@ -0,0 +1,33 @@
+/* global chrome */
+
+import { MenuOptionsOpen, OpenMenuOptions, closeSettings } from "../../SEQTA.js";
+
+export class MessageHandler {
+  constructor() {
+    // Register this class as the message handler for the Chrome extension
+    chrome.runtime.onMessage.addListener(this.routeMessage.bind(this));
+  }
+
+  routeMessage(request) {
+    // You can use a switch-case or an object to route the message to the correct handler
+    switch (request.info) {
+
+    case "EditSidebar":
+      this.editSidebar();
+      break;
+    // Add more cases as needed
+    default:
+      console.log("Unknown request info:", request.info);
+    
+    }
+  }
+
+  editSidebar() {
+    if (!MenuOptionsOpen) {
+      OpenMenuOptions();
+      closeSettings();
+    }
+  }
+
+  // Add more methods for handling other message types
+}