Brick improvements

[corradio]

• add build dependencies (dependencies #14)
• support a case where docker-compose tests are used (#509)
• support gcloud deploys (https://github.com/tmrowco/tmrowapp/pull/508)
• support integrations (docker-compose) tests (https://github.com/tmrowco/electricitymap/issues/1529)
• support deploy case
• cache builds depending on branch
• cache/mount previous node_modules / yarn cache (Use local cache for yarn commands #17)
• support watch case
• allow concurrent builds (by having a different .brickdockerfile) (https://github.com/tmrowco/brick/issues/new)
• support a case where Dockerfile are used
• remove name and only use tags / folder names? (Remove name and only use tags / folder names #59)