Once #3 has been resolved (you need to fix that first.)
Your code doesn't comply all that well with Moodle's standard guidelines - we have some tools that help you to identify improvements that you can make on your own - some of these tests can be run via github actions on each commit in your github repo. Enabling this helps you to make sure future changes to your plugin will continue to follow the guidelines.
then on every commit you make to github it will fire off a request to run the tests and will give you traffic lights beside each commit and generate a report.
Once #3 has been resolved (you need to fix that first.)
Your code doesn't comply all that well with Moodle's standard guidelines - we have some tools that help you to identify improvements that you can make on your own - some of these tests can be run via github actions on each commit in your github repo. Enabling this helps you to make sure future changes to your plugin will continue to follow the guidelines.
the short version - grab this file: https://github.com/moodlehq/moodle-plugin-ci/blob/master/gha.dist.yml rename it as ci.yml and put into the directory .github/workflows within tyour project eg: https://github.com/danmarsden/moodle-mod_attendance/blob/MOODLE_311_STABLE/.github/workflows/ci.yml
then on every commit you make to github it will fire off a request to run the tests and will give you traffic lights beside each commit and generate a report.