[zanata/zanata-platform] ee02fd: chore: add flow coverage report to frontend builds

[GitHub]

  Branch: refs/heads/flow-coverage
  Home:   https://github.com/zanata/zanata-platform
  Commit: ee02fd98a4725c92ebd5df309360a495a7f35801
      https://github.com/zanata/zanata-platform/commit/ee02fd98a4725c92ebd5df309360a495a7f35801
  Author: David Mason <drdmason at gmail.com>
  Date:   2017-10-24 (Tue, 24 Oct 2017)

  Changed paths:
    M server/zanata-frontend/src/frontend/package.json
    M server/zanata-frontend/src/frontend/yarn.lock

  Log Message:
  -----------
  chore: add flow coverage report to frontend builds

Generates flow-coverage directory in frontend if you run any of:
  make draft
  make build
  yarn run type-coverage