HAOS Add-on: MVP + NuttX Binary + .gitignore

- haos-addon/: vollständiges HA Add-on (config.yaml, Dockerfile, build.yaml)
  - Python Backend: pymodbus Modbus TCP → paho-mqtt MQTT Discovery
  - Unterstützte Modelle: MIC 1500/2000 TL-X, SPH 5000 TL3, MOD 6000 TL3
  - Web UI: Wechselrichter-Auswahl, Modbus/MQTT-Konfig, Live-Sensor-Grid (dark theme)
  - MQTT HA Discovery für alle Sensoren mit device_class, state_class, icon
- ShineLAN-X/releases/nuttx-mbusd-shinelanx.bin: NuttX Firmware (ohne DFU, 0x08000000)
- .gitignore: Logs, MQTT-JSON, shinelanx-modbus/ ausgeschlossen

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

haos-addon/config.yaml

@@ -0,0 +1,40 @@
+name: Growatt ShineLAN-X
+version: "1.0.0"
+slug: growatt-shinelan-x
+description: Growatt Wechselrichter via ShineLAN-X (NuttX Modbus TCP) → MQTT Discovery + Web UI
+url: https://gitea.bitfire.work/retr0/Growatt-Wechselrichter-HAOS
+arch:
+  - armhf
+  - armv7
+  - aarch64
+  - amd64
+  - i386
+startup: application
+boot: auto
+init: false
+ingress: true
+ingress_port: 8099
+panel_icon: mdi:solar-power
+panel_title: ShineLAN-X
+options:
+  modbus_ip: "10.10.20.190"
+  modbus_port: 502
+  modbus_address: 1
+  inverter_model: "MIC_1500_TL_X"
+  mqtt_broker: "core-mosquitto"
+  mqtt_port: 1883
+  mqtt_user: ""
+  mqtt_pass: ""
+  mqtt_topic_prefix: "growatt/shinelanx"
+  update_interval: 30
+schema:
+  modbus_ip: str
+  modbus_port: int
+  modbus_address: int
+  inverter_model: "MIC_1500_TL_X|MIC_2000_TL_X|SPH_5000_TL3|MOD_6000_TL3"
+  mqtt_broker: str
+  mqtt_port: int
+  mqtt_user: str
+  mqtt_pass: str
+  mqtt_topic_prefix: str
+  update_interval: int