add labels

Author: seanauff

Dockerfile

@@ -1,5 +1,9 @@
 FROM python:3-slim-buster
 
+LABEL org.opencontainers.image.source=https://github.com/seanauff/WOL-proxy
+LABEL org.opencontainers.image.description="WOL-proxy is a dockerized Wake-On-LAN tool that received commands to send Wake-On-LAN magic packets over MQTT. "
+LABEL org.opencontainers.image.licenses=MIT
+
 WORKDIR /usr/src/app
 
 RUN pip install paho-mqtt wakeonlan