Updates (#5)

* fix: article category overflow (CaiJimmy#1055)

closes CaiJimmy#1045

* fix(i18n): fix unlocalized article publish/lastUpdated date (CaiJimmy#1050)

closes CaiJimmy#1040

* fix: use Hugo's default RSS template value source for lastBuildDate (CaiJimmy#1006)

Use Hugo's default RSS template value source for lastBuildDate

* feat(comments): add support to Gitalk `proxy` parameter (CaiJimmy#1012)

Co-authored-by: Jimmy Cai <hi@jimmycai.com>

* feat(i18n): add Occitan translations (CaiJimmy#1034)

* feat(i18n): add Bulgarian translations (CaiJimmy#1007)

* doc: add backslash to `baseURL` in exampleSite (CaiJimmy#1009)

* chore: bump Twikoo front-end to latest released version `1.6.39` (CaiJimmy#1021)

* fix: use `css.Sass` instead of deprecated `resources.ToCSS` (CaiJimmy#1054)

* doc: add `markup.goldmark.extensions.passthrough` in exampleSite (CaiJimmy#1056)

Related: CaiJimmy#1019

* fix(exampleSite): site config key `paginate` was deprecated (CaiJimmy#1057)

fix: site config key paginate was deprecated

* release: 3.27.0

* fix: show different subtitle for each i18n variant in exampleSite (CaiJimmy#1068)

* fix(colorScheme): systemPreferScheme not initialized on start up (CaiJimmy#1061)

* fix(i18n): missing translation for title of categories widget in fr.yaml (CaiJimmy#1059)

* feat(giscus): use current language as fallback for `lang` param and add `loading` param (CaiJimmy#1075)

fix: giscus use current lang as default, and add missing `loading` params

* feat: add fingerprints to the JS file URL to utilize HTTP caching (CaiJimmy#1076)

* release: 3.28.0

* feat: search box in 404 page (CaiJimmy#1081)

* fix(giscus): fallback to `en` if no language code is set (CaiJimmy#1084)

* release: 3.29.0

---------

Co-authored-by: Jimmy Cai <hi@jimmycai.com>
Co-authored-by: weeix <weeix@users.noreply.github.com>
Co-authored-by: Anthony Simmon <simmon.anthony@gmail.com>
Co-authored-by: DashJay <45532257+dashjay@users.noreply.github.com>
Co-authored-by: ensag-dev <59049879+ensag-dev@users.noreply.github.com>
Co-authored-by: Vladimir Vitkov <5081863+zeridon@users.noreply.github.com>
Co-authored-by: saikadaramakaisosjupita <162842238+saikadaramakaisosjupita@users.noreply.github.com>
Co-authored-by: Syafa Adena <gvoze32@gmail.com>
Co-authored-by: powerfullz <61956140+powerfullz@users.noreply.github.com>
Co-authored-by: PukNgae Cryolitia <Cryolitia@gmail.com>
Co-authored-by: onavas33 <71631187+onavas33@users.noreply.github.com>
Co-authored-by: xiaoxiyao <xiyao.luoxiao@gmail.com>