Add issue and PR templates

[kkemple]

This PR adds templates for issues and PRs to help with organization (and automation in the near future)

Issue Templates

• [x] Bug report
• [x] Feature request
• [x] Word suggestion
• [x] Word translation

  PR Template

• [x] Default PR template (advanced templates not supported)

[kkemple]

This is SO AMAZING. Thank you SO much! Provided some edits in there and made a call to ask for a second editor. 🙏🏽 🙏🏽 🙏🏽 🙏🏽 🙏🏽 🙏🏽

Thank you! Can't wait to get more feedback, thank you for requesting more reviewers!

[kkemple]

@tatianamac I've added a PR template for your review and made all suggested updates based on your amazing feedback. If you have the time for another pass-thru I'd greatly appreciate your input!

[tatianamac]

This is good to go!