Added docker deployment

docker-compose.yml

@@ -0,0 +1,25 @@
+services:
+  meshbot:
+    image: ${MESHBOT_IMAGE:?set MESHBOT_IMAGE to your image reference}
+    container_name: meshbot
+    restart: unless-stopped
+    # MeshCore companion is on a USB serial port. Map the host device through to
+    # the container. Override MESHBOT_DEVICE for ttyACM0 etc.
+    devices:
+      - "${MESHBOT_DEVICE:-/dev/ttyUSB0}:${MESHBOT_DEVICE:-/dev/ttyUSB0}"
+    # Some serial chipsets need access to the dialout group on the host.
+    group_add:
+      - dialout
+    environment:
+      MESHBOT_MESHCORE__SERIAL_PORT: ${MESHBOT_DEVICE:-/dev/ttyUSB0}
+      MESHBOT_LLM__BASE_URL: ${MESHBOT_LLM_BASE_URL:?set MESHBOT_LLM_BASE_URL}
+      MESHBOT_LLM__API_KEY: ${MESHBOT_LLM_API_KEY:-not-needed}
+      MESHBOT_LLM__MODEL: ${MESHBOT_LLM_MODEL:?set MESHBOT_LLM_MODEL}
+    volumes:
+      - meshbot-data:/data
+      # Mount your config.toml at /etc/meshbot/config.toml. Anything not set in the
+      # TOML will fall back to defaults; env vars above always win.
+      - ./config.toml:/etc/meshbot/config.toml:ro
+
+volumes:
+  meshbot-data: