First off, thank you for considering contributing to LGoodDatePicker. It's people like you that make LGoodDatePicker such a great tool.
Contributions to the project are generally created by using one of these common options: 1) Writing a suggestion in the general discussion thread, 2) By submitting a new issue, or 3) By coding an improvement and submitting a pull request.
Links to these three methods, and other general project resources, are pasted below. More details can be found in the readme file.
Demo Application and Downloads in the: Release Section.
Maven Central repository pages: Page 1, Page 2.
Get release updates: Subscribe for Updates.
Contact the primary developer: Email Form.
Submit bugs or feature requests: Issues Section.
General Discussion: Discussion Thread.
This is a super fast tutorial for how to make a pull request.