Dockerize quasar-cli

[PhearZero]

Adding basic Dockerfile with quasar-cli as yarn link. This can be used as a base image for other apps to build on top of. Uses Alpine Linux for small footprint for the CLI

• docker run quasar/cli
• docker run myapp

Other information:
Example CLI Use

docker run -it -v `pwd`:/usr/src/app quasar/cli init

Example App Dockerfile

FROM quasar/cli

COPY package.json yarn.lock ./
RUN yarn --pure-lockfile

COPY . .

CMD [ "dev" ]

EXPOSE 8080

Example App Run:

docker build -t myapp .
# Live reloading needs volume mapping
docker run -it -p 8080:8080 -v `pwd`:/usr/src/app myapp 

quasarframework/quasar#2759