Click "Direct Download" and move the phar to the plugins/ folder. Seriously, do you actually have to create a thread for downloading and moving a file?
I'll update plugin.yml to API 3.0.0 now EDIT: my plugins at https://poggit.pmmp.io/ci/Awzaw are now all ready to use with APIs [2.0.0, 3.0.0-ALPHA1] - just make sure you grab the latest builds