Add comments for handling menu action being performed

Author: hwrdtm

tutorials/aries-basic-controller/notebooks/bob/Part 9 - Action Menu.ipynb

@@ -72,8 +72,13 @@
     "def get_menu_handler(payload):\n",
     "    print(f\"Get Active Menu Webhook: {payload}\")\n",
     "\n",
+    "'''\n",
+    "when a menu action is performed, the handler should contain business\n",
+    "logic to handling and executing that action specifically.\n",
+    "'''\n",
     "def perform_menu_handler(payload):\n",
     "    print(\"Perform Menu Action Webhook: \", payload)\n",
+    "    # custom business logic here\n",
     "\n",
     "get_menu_listener = {\n",
     "    \"topic\": \"get-active-menu\",\n",