Moved and split file; Enhanced content

.vitepress/config.mts

@@ -110,8 +110,18 @@ export default defineConfig({
                     link: '/controller/support/ota_updates'
                   },
                   { 
-                    text: 'Home Assistant MQTT Auto Discovery',
-                    link: '/controller/support/mqtt_auto_discovery'
+                    text: 'MQTT and Home Assistant Auto Discovery',
+                    collapsed: true,
+                    items:[
+                      {
+                        text: 'Home Assistant MQTT Auto Discovery',
+                        link: '/controller/support/mqtt/auto_discovery'
+                      },
+                      {
+                        text: 'Automating with Input Events',
+                        link: '/controller/support/mqtt/inputs'
+                      }
+                    ]
                   },
                   { 
                     text: 'Event and Error Logs',

client/development_environment/index.md

@@ -0,0 +1,32 @@
+# ESP8266 Install
+
+<Badge type="warning" text="TODO" />Make this page look like the Controller Development Environment instructions
+
+## Installing and Updating ESP Core
+
+### Install
+
+Add the ESP32 board manager packages:
+
+```
+arduino-cli config set board_manager.additional_urls https://arduino.esp8266.com/stable/package_esp8266com_index.json
+```
+
+Update the index:
+
+```
+arduino-cli core update-index
+```
+
+Install ESP8266 core, version 3.1.2:
+
+```
+arduino-cli core install esp8266:[email protected]
+```
+
+Verify the installation was successful, and optionally remove any other cores:
+```
+arduino-cli core list
+```
+
+