use working version of diagram.json from Wokwi

Author: georgik

diagram.json

@@ -11,9 +11,6 @@
         "attrs": { "psramSize": "16", "flashSize": "16" }
       }
     ],
-    "connections": [
-      [ "$serialMonitor:RX", "esp32:G43", "", [] ],
-      [ "$serialMonitor:TX", "esp32:G44", "", [] ]
-    ],
+    "connections": [ [ "$serialMonitor:RX", "esp32:G43", "", [] ], [ "$serialMonitor:TX", "esp32:G44", "", [] ] ],
     "dependencies": {}
-}
+  }