feat: Dockerfile for arm builds

dev/build-arm/Dockerfile

+FROM node:12.13-alpine
+LABEL maintainer="requarks.io"
+
+RUN apk add bash curl git openssh gnupg sqlite --no-cache && \
+    mkdir -p /wiki && \
+    mkdir -p /logs && \
+    chown -R node:node /wiki /logs
+
+WORKDIR /wiki
+
+COPY --chown=node:node ./build/assets ./assets
+COPY --chown=node:node ./server ./server
+COPY --chown=node:node ./build/server/views ./server/views
+COPY --chown=node:node ./dev/build/config.yml ./config.yml
+COPY --chown=node:node ./dev/docker-common/wait.sh ./wait.sh
+COPY --chown=node:node ./package.json ./package.json
+COPY --chown=node:node ./LICENSE ./LICENSE
+
+RUN yarn --production --frozen-lockfile --non-interactive --network-timeout 100000
+
+USER node
+
+EXPOSE 3000
+
+CMD ["node", "server"]