We'll soon be released a feature to allow you to choose what branches to build (or not build)!
For now, you can use the following:
Skipping Via Commit Messages
If the following are present in the commit message of a build, than the commit will be ignored, and the build will be silently skipped:
This helps with other CI/CD apps, such as StyleCI, which may create new commits and thus generating twice the builds within ChipperCI.