v1.0.0

Production release for Jira v9.12.x

To use:

 curl -X POST -H "Content-Type: application/json" \
     -u "admin:admin" \
     -d '{
       "name": "My PR Name",
       "url": "https://github.com/repo/pull/123",
       "status": "Open",
       "branchName": "my-branch",
       "repoName": "MyRepo",
       "repoUrl": "https://github.com/repo"
     }' http://localhost:2990/jira/rest/pullrequest/1.0/code/FOO-1

Looks like: