Steps being added are increasing, so thought of a best documentation option, which can be
Initial pull request: https://github.com/jenkinsci/jira-steps-plugin/pull/56
Need another pull request before actual release of 1.3.0 version.
Merged above pull request, will test locally for all other 1.3.0 changes and I will work on below changes before actually releasing 1.3.0.
Issue another pull request: https://github.com/jenkinsci/jira-steps-plugin/pull/57
Logged JENKINS-48097 for CNAME and removing existing docs after the actual release.
Merged about pull request and soon will release 1.3.0 once verified locally.