chibipop v0.9.1

What's Changed

• docs: remove stale version ref in RELEASING.md by @stellarie in #16
• feat: action system with mining context screenshot by @stellarie in #17
• feat: sentence source and screenshot-on-add toggle by @stellarie in #18
• feat: CSS-customizable popup themes by @stellarie in #19
• feat: dictionary spacing in Anki glossary fields by @stellarie in #21
• feat: sentence capture modes with static region for VNs by @stellarie in #20
• feat: extended CSS styling, frequency selector, and bundled themes by @stellarie in #22
• docs: update README for post-v0.9.0 features by @stellarie in #23
• fix: declutter Anki glossary HTML with lists and dividers by @stellarie in #24
• feat: add first-dict-only option for cleaner Anki cards by @stellarie in #25
• chore: version 0.9.1 by @stellarie in #26

Full Changelog: v0.9.0...v0.9.1