Add Dockerfile and docker-compose configuration for lwcomm service

lwcomm/Dockerfile

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+FROM node:12-alpine AS base
+
+WORKDIR /workspace
+
+RUN apk add --no-cache make gcc g++ python3 linux-headers udev git pkgconfig libusb-dev
+
+RUN git clone --depth=1 https://github.com/LaserWeb/lw.comm-server .
+
+RUN mkdir /laserweb
+RUN cp config.js grblStrings.js firmwareFeatures.js LICENSE lw.comm-server.service package.json README.md server.js version.txt /laserweb/
+RUN cp -r app/ /laserweb/app/
+
+WORKDIR /laserweb
+
+RUN npm install
+
+FROM node:12-alpine
+
+ENV ENV="production"
+ENV NODE_ENV="production"
+
+WORKDIR /app
+COPY --from=base /app ./
+COPY --from=base /workspace/docker_entrypoint.sh ./
+
+EXPOSE 8000
+
+ENTRYPOINT ["/docker_entrypoint.sh"]
+CMD []

lwcomm/compose.yml

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+version: "3"
+services:
+  lwcomm:
+    build: .
+    image: ghcr.io/almightyfrog/lwcomm
+    restart: unless-stopped
+    shm_size: 1gb
+    ports:
+      - 8000:8000
+    devices:
+      - /dev/:/dev/