[Repo] Setup Issue Templates and (More) Tags

Please create issue templates for the repository, as well as tags such as "Feature Request: Done" or any other helpful context tags. ### Template Resources - https://github.com/NyaomiDEV/Ampersand/issues/templates/edit - https://docs.github.com/en/communities/using-templates-to-encourage-useful-issues-and-pull-requests/configuring-issue-templates-for-your-repository