v3.1.12: BuildIndex 51x faster, ECDICT Search 100x faster, BK-tree pe…

…rsistence, benchmark

Release v3.1.11

v3.1.10: CSS editor storage hotfix (app config dir)

v3.1.9: CSS editor (CodeMirror), photon restore (layout regression fix)

v3.1.8: default EN-CN dict (ECDICT+Bing), recursive scan fix, UnoCSS …

…unification, frontend tests

v3.1.7: multi-dict query, Anki export, hover-popup lookup, bookmarks v2

Merge pull request #771 from terasum/release/v3.1.6-changelog

docs(changelog): v3.1.6 release notes

Merge pull request #769 from terasum/release/v3.1.5-changelog

docs(changelog): v3.1.5 release notes

Merge pull request #767 from terasum/release/v3.1.4-changelog

docs(changelog): v3.1.4 release notes

Merge pull request #764 from terasum/release/v3.1.3-changelog

docs(changelog): v3.1.3 release notes