Prepare bridge image publishing via Gitea registry

bridge/README.md

@@ -22,6 +22,16 @@ cp .env.example .env
 docker compose up -d --build
 ```
 
+## 1.1) Registry image naming
+
+Recommended image path in your Gitea registry:
+- `git.khnm-zimmerling.de/kai/evs-bridge:latest`
+- `git.khnm-zimmerling.de/kai/evs-bridge:v0.1.0`
+
+Recommended tags:
+- `latest` for current default deployment
+- `vX.Y.Z` for stable releases
+
 ## 2) Configure ESP32
 
 In `src/main.cpp`:
@@ -71,3 +81,67 @@ You can build automations on these events (for STT/TTS pipelines or Node-RED han
 - Audio format: PCM16LE, mono, 16 kHz
 - `SAVE_SESSIONS=true` stores `.wav` files in `bridge/data/sessions`
 - MQTT is recommended for control/events, WebSocket for streaming audio
+
+## 7) Build and push to Gitea registry
+
+From repository root:
+
+```bash
+docker login git.khnm-zimmerling.de
+docker build -f bridge/Dockerfile -t git.khnm-zimmerling.de/kai/evs-bridge:latest bridge
+docker push git.khnm-zimmerling.de/kai/evs-bridge:latest
+```
+
+Optional release tag:
+
+```bash
+docker tag git.khnm-zimmerling.de/kai/evs-bridge:latest git.khnm-zimmerling.de/kai/evs-bridge:v0.1.0
+docker push git.khnm-zimmerling.de/kai/evs-bridge:v0.1.0
+```
+
+## 8) Portainer stack with registry image
+
+```yaml
+services:
+  evs-bridge:
+    image: git.khnm-zimmerling.de/kai/evs-bridge:latest
+    container_name: evs-bridge
+    restart: unless-stopped
+    ports:
+      - "8765:8765"
+    environment:
+      WS_HOST: "0.0.0.0"
+      WS_PORT: "8765"
+      WS_PATH: "/audio"
+      ECHO_ENABLED: "true"
+      LOG_LEVEL: "INFO"
+      MQTT_ENABLED: "true"
+      MQTT_HOST: "10.100.3.247"
+      MQTT_PORT: "1883"
+      MQTT_USER: ""
+      MQTT_PASSWORD: ""
+      MQTT_BASE_TOPIC: "evs"
+      MQTT_TTS_TOPIC: "evs/+/play_pcm16le"
+      MQTT_STATUS_RETAIN: "true"
+      HA_WEBHOOK_URL: ""
+      SAVE_SESSIONS: "true"
+      SESSIONS_DIR: "/data/sessions"
+      PCM_SAMPLE_RATE: "16000"
+    volumes:
+      - evs_bridge_data:/data
+
+volumes:
+  evs_bridge_data:
+```
+
+## 9) Optional: auto-push via Gitea Actions
+
+Workflow file:
+- `.gitea/workflows/bridge-image.yml`
+
+Required repository secrets:
+- `REGISTRY_USERNAME`
+- `REGISTRY_TOKEN`
+
+The workflow builds `bridge/Dockerfile` and pushes:
+- `git.khnm-zimmerling.de/kai/evs-bridge:latest`