Added README.md

3 jobs for first_release in 28 seconds (queued for 1 second)
Status Name Job ID Coverage
  Build
failed build #961528

00:00:28

 
  Test
skipped code_quality #961530
allowed to fail
skipped test #961529
 
Name Stage Failure
failed
build Build
Building Heroku-based application using gliderlabs/herokuish docker image...
invalid reference format
invalid reference format
invalid argument ":first_release" for "-t, --tag" flag: invalid reference format
See 'docker build --help'.
Running after_script
Uploading artifacts for failed job
Authenticating with credentials from /root/.docker/config.json
ERROR: Job failed: exit code 1