message: ci: add build step
diff: ----
  version: 2
  jobs:
  base: &base
  @@ -16,6 +15,9 @@ jobs:
  - run:
  name: Install dependencies
  command: .circleci/greenkeeper
  + - run:
  + name: Building
  + command: yarn build
  - run:
  name: Testing
  command: yarn test
  @@ -54,7 +56,7 @@ jobs:
  workflows:
  version: 2
  - "sfdx-core":
  + 'sfdx-core':
  jobs:
  - node-latest
  - node-8
  