feat(providers): Add Loops Email Provider and Documentation

[Whats-A-MattR]

☕️ Reasoning

Email / Magic Token Auth is great. Loops.so make a great product for Email that goes beyond just transactional emails, I use them as my provider and love the platform.

🧢 Checklist

• [x] Documentation
• [ ] Tests
• [x] Ready to be merged

🎫 Affected issues

Fixes: This Feature Request

📌 Resources

• Security guidelines
• Contributing guidelines
• Code of conduct
• Contributing to Open Source