v0.3.0

What's Changed

• feat: expose the Backend datatype as part of the public API by @stephantul in #27
• feat: Added euclidean metric to basic backend by @Pringled in #29
• feat: Align metrics by @Pringled in #30
• feat: Add evaluator by @Pringled in #31
• docs: Update docs by @Pringled in #32
• feat: Update install by @Pringled in #33
• Bump version by @Pringled in #34

Full Changelog: v0.2.1...v0.3.0