Pre-release v0.13.0

Quality of Life
See #452

What's Changed

• Coverage, change register/login by @bitfl0wer in #447
• More derives and impls by @bitfl0wer in #448
• Get URLs from .well-known by @bitfl0wer in #451
• QoL Updates by @bitfl0wer in #452

Full Changelog: v0.12.0...v0.13.0