Adjust field to be drawn at new 0,0.

Draw the position the camera thinks it is as well.

Change-Id: I2cb346e095bc6887c702e96a42752c57d55f1603
diff --git a/aos/network/www/config_handler.ts b/aos/network/www/config_handler.ts
index 3d20f0d..6615f39 100644
--- a/aos/network/www/config_handler.ts
+++ b/aos/network/www/config_handler.ts
@@ -3,13 +3,14 @@
 import {Connection} from './proxy';
 
 export class ConfigHandler {
-  private readonly root_div = document.getElementById('config');
+  private readonly root_div = document.createElement('div');
   private readonly tree_div;
   private config: Configuration|null = null
 
   constructor(private readonly connection: Connection) {
     this.connection.addConfigHandler((config) => this.handleConfig(config));
 
+    document.body.appendChild(this.root_div);
     const show_button = document.createElement('button');
     show_button.addEventListener('click', () => this.toggleConfig());
     const show_text = document.createTextNode('Show/Hide Config');