Theme upgrade

Author: Daniele Catanesi

.editorconfig

@@ -0,0 +1,13 @@
+# editorconfig.org
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = false
+
+[*.md]
+trim_trailing_whitespace = false

.gitattributes

@@ -0,0 +1,6 @@
+assets/fonts/* linguist-vendored
+assets/js/main.min.js linguist-vendored
+assets/js/lunr/* linguist-vendored
+assets/js/plugins/* linguist-vendored
+assets/js/vendor/* linguist-vendored
+_sass/minimal-mistakes/vendor/* linguist-vendored

.gitignore

@@ -1,4 +1,29 @@
-.vscode/*
+# Vim
+*~
+*.sw[p_]
+
+# Sublime Text
+*.sublime-project
+*.sublime-workspace
+
+# Ruby Gem
+*.gem
+.bundle
+Gemfile.lock
+**/vendor/bundle
+
+# Node.js and NPM
+node_modules
+npm-debug.log*
+package-lock.json
+codekit-config.json
+
+# macOS
 .DS_Store
-*/.DS_Store
-**/.DS_Store
+
+# Jekyll generated files
+.jekyll-cache
+.jekyll-metadata
+.sass-cache
+_asset_bundler_cache
+_site

.travis.yml

@@ -0,0 +1,11 @@
+language: ruby
+cache: bundler
+gemfile: docs/Gemfile
+script:
+  - bundle exec jekyll algolia --source docs --destination docs/_site --config docs/_config.yml
+branches:
+  only:
+    # Change this to gh-pages if you're deploying using the gh-pages branch
+    - master
+rvm:
+ - 2.4

.vscode/settings.json

@@ -0,0 +1,4 @@
+{
+    "python.pythonPath": "C:\\Users\\Lethe\\AppData\\Local\\Programs\\Python\\Python38\\python.exe",
+    "powershell.codeFormatting.addWhitespaceAroundPipe": true
+}

CHANGELOG.md

@@ -1,3 +1,48 @@
+## [4.20.2](https://github.com/mmistakes/minimal-mistakes/releases/tag/4.20.2)
+
+### Bug Fixes
+
+- Fix broken link in documentation. [#2677](https://github.com/mmistakes/minimal-mistakes/issues/2677)
+- Fix typo in documentation. [#2678](https://github.com/mmistakes/minimal-mistakes/issues/2678)
+- Remove duplicate CSS definitions. [#2666](https://github.com/mmistakes/minimal-mistakes/pull/2666)
+- Fix `entries_layout: grid` in various layouts. [#2639](https://github.com/mmistakes/minimal-mistakes/issues/2639)
+- Change `fa` to `fas` for Font Awesome 5. [#2649](https://github.com/mmistakes/minimal-mistakes/pull/2649)
+
+### Enhancements
+
+- Refactor page meta include. [#2641](https://github.com/mmistakes/minimal-mistakes/pull/2641)
+- Add `article:author` Open Graph markup. [#2670](https://github.com/mmistakes/minimal-mistakes/pull/2670)
+
+## [4.20.1](https://github.com/mmistakes/minimal-mistakes/releases/tag/4.20.1)
+
+### Bug Fixes
+
+- Fix `entries_layout: grid` in `home.html` layout. [#2616](https://github.com/mmistakes/minimal-mistakes/pull/2616)
+
+## [4.20.0](https://github.com/mmistakes/minimal-mistakes/releases/tag/4.20.0)
+
+### Bug Fixes
+
+- Add `relative_url` filter to author home link [#2575](https://github.com/mmistakes/minimal-mistakes/pull/2575)
+- Fix `analytics.provider` config comment to list all analytics providers. [#2607](https://github.com/mmistakes/minimal-mistakes/pull/2607)
+- Fix typo in installation documentation. [#2570](https://github.com/mmistakes/minimal-mistakes/pull/2570)
+- Fix broken Lunr search with Jekyll v4.1.0. [#2617](https://github.com/mmistakes/minimal-mistakes/pull/2617)
+
+### Enhancements
+
+- Add an optional date alongside the reading time. To enable set `show_date: true` similar to how reading time is. [#2526](https://github.com/mmistakes/minimal-mistakes/pull/2526)
+- Remove hidden posts from posts.html layout. [#2625](https://github.com/mmistakes/minimal-mistakes/pull/2625)
+- Add entry layout configuration for `list` (default) or `grid` views on `layout: home`. [#2616](https://github.com/mmistakes/minimal-mistakes/pull/2616)
+- Add missing Chinese translations. [#2576](https://github.com/mmistakes/minimal-mistakes/pull/2576)
+- Improve Chinese translations. [#2626](https://github.com/mmistakes/minimal-mistakes/pull/2626)
+- Add `line-height` to `h4` element in notice helper. [#2602](https://github.com/mmistakes/minimal-mistakes/pull/2602)
+- Improve Algolia search. [#2572](https://github.com/mmistakes/minimal-mistakes/pull/2572)
+- Update link to wtfpl license in README. [#2571](https://github.com/mmistakes/minimal-mistakes/pull/2571)
+- Ignore teaser headline in table of contents when including posts list in another page. [#2558](https://github.com/mmistakes/minimal-mistakes/pull/2558)
+- Replace Font Awesome Kits with CSS from jsDelivr CDN. [#2583](https://github.com/mmistakes/minimal-mistakes/pull/2583)
+- Add `danmaku` option to Bilibili video provider and add corresponding documentation/ [#2599](https://github.com/mmistakes/minimal-mistakes/pull/2599)
+- Update documentation about loading l10n data file from the theme-gem. [#2621](https://github.com/mmistakes/minimal-mistakes/issues/2621) [#2624](https://github.com/mmistakes/minimal-mistakes/pull/2624)
+
 ## [4.19.3](https://github.com/mmistakes/minimal-mistakes/releases/tag/4.19.3)
 
 ### Enhancements