fix(ci): add MIT license and required Zot annotations

Dockerfile

@@ -10,12 +10,15 @@ RUN npm run build
 
 FROM node:current-alpine AS runtime
 
+LABEL org.opencontainers.image.vendor="br0tkasten.de" \
+      org.opencontainers.image.licenses="MIT"
+
 WORKDIR /app
 ENV NODE_ENV=production
 ENV HOST=0.0.0.0
 ENV PORT=3000
 
-COPY package.json ./
+COPY package.json LICENSE ./
 COPY --from=build /app/dist ./dist
 
 EXPOSE 3000