* feat(assignees): add new option to avoid stale for assignees
closes#271
* test: add more coverage
* docs: fix readme format issue
* docs: reorder and enhance typo
* docs(contributing): add more information about the npm scripts
* feat(exempt): add new options to exempt the milestones
closes#270
* test(milestones): add coverage
* test(issue): add coverage
* chore(rebase): fix all errors due to the rebase
also made some changes regarding the change I made with the lint scripts and prettier. I did not saw that some scripts were already here and I created to more to keep the old ones as well
* test(milestone): add coverage
* chore(index): update index
* fix(checks): remove checks over optional number options
the code was actually handling the case where the values are NaN so it's fine