Changelog

• 610afd8 feat: add light/dark mode toggle
• 1b5aad9 fix: make just commands faster
• 84583c6 fix: wait for WASM runtime to become ready at startup
• 1b6f6e7 fix: need relative import for wasm_exec.js
• 2a78195 fix: wasm builds got broken by the last change
• f8a34ec feat: fix local dev so it falls back to server
• 6827057 refactor: migrate to Just
• a60896f Create a lexer for Markless (#1195)