Merge pull request #212 from LinuxSuRen/pr-template

Add pull request template

.github/PULL_REQUEST_TEMPLATE.md

+**Make sure that you've checked the boxes below before you submit PR:**
+
+### Always
+
+- [ ] Written well with PR title, we generate the [release notes](https://github.com/jenkins-zh/jenkins-cli/releases) base on that
+
+### For the bug fixes or features only
+
+- [ ] [Quality Gate Passed](https://sonarcloud.io/dashboard?id=jenkins-zh_jenkins-cli). Change this URL to your PR.
+- [ ] I've tested it locally