Add Gemfile.lock back.

.gitignore

@@ -5,4 +5,3 @@ core.iml
 _site
 .jekyll-cache
 .DS_Store
-Gemfile.lock

Gemfile.lock

@@ -0,0 +1,111 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    addressable (2.8.6)
+      public_suffix (>= 2.0.2, < 6.0)
+    colorator (1.1.0)
+    concurrent-ruby (1.2.3)
+    em-websocket (0.5.3)
+      eventmachine (>= 0.12.9)
+      http_parser.rb (~> 0)
+    ethon (0.16.0)
+      ffi (>= 1.15.0)
+    eventmachine (1.2.7)
+    faraday (2.9.0)
+      faraday-net_http (>= 2.0, < 3.2)
+    faraday-net_http (3.1.0)
+      net-http
+    ffi (1.16.3)
+    forwardable-extended (2.6.0)
+    google-protobuf (3.25.2-arm64-darwin)
+    html-proofer (4.4.3)
+      addressable (~> 2.3)
+      mercenary (~> 0.3)
+      nokogiri (~> 1.13)
+      parallel (~> 1.10)
+      rainbow (~> 3.0)
+      typhoeus (~> 1.3)
+      yell (~> 2.0)
+      zeitwerk (~> 2.5)
+    http_parser.rb (0.8.0)
+    i18n (1.14.1)
+      concurrent-ruby (~> 1.0)
+    jekyll (4.3.3)
+      addressable (~> 2.4)
+      colorator (~> 1.0)
+      em-websocket (~> 0.5)
+      i18n (~> 1.0)
+      jekyll-sass-converter (>= 2.0, < 4.0)
+      jekyll-watch (~> 2.0)
+      kramdown (~> 2.3, >= 2.3.1)
+      kramdown-parser-gfm (~> 1.0)
+      liquid (~> 4.0)
+      mercenary (>= 0.3.6, < 0.5)
+      pathutil (~> 0.9)
+      rouge (>= 3.0, < 5.0)
+      safe_yaml (~> 1.0)
+      terminal-table (>= 1.8, < 4.0)
+      webrick (~> 1.7)
+    jekyll-gist (1.5.0)
+      octokit (~> 4.2)
+    jekyll-sass-converter (3.0.0)
+      sass-embedded (~> 1.54)
+    jekyll-watch (2.2.1)
+      listen (~> 3.0)
+    kramdown (2.4.0)
+      rexml
+    kramdown-parser-gfm (1.1.0)
+      kramdown (~> 2.0)
+    liquid (4.0.4)
+    listen (3.8.0)
+      rb-fsevent (~> 0.10, >= 0.10.3)
+      rb-inotify (~> 0.9, >= 0.9.10)
+    mercenary (0.4.0)
+    net-http (0.4.1)
+      uri
+    nokogiri (1.16.0-arm64-darwin)
+      racc (~> 1.4)
+    octokit (4.25.1)
+      faraday (>= 1, < 3)
+      sawyer (~> 0.9)
+    parallel (1.24.0)
+    pathutil (0.16.2)
+      forwardable-extended (~> 2.6)
+    public_suffix (5.0.4)
+    racc (1.7.3)
+    rainbow (3.1.1)
+    rb-fsevent (0.11.2)
+    rb-inotify (0.10.1)
+      ffi (~> 1.0)
+    rexml (3.2.6)
+    rouge (4.2.0)
+    safe_yaml (1.0.5)
+    sass-embedded (1.69.5-arm64-darwin)
+      google-protobuf (~> 3.23)
+    sawyer (0.9.2)
+      addressable (>= 2.3.5)
+      faraday (>= 0.17.3, < 3)
+    terminal-table (3.0.2)
+      unicode-display_width (>= 1.1.1, < 3)
+    typhoeus (1.4.1)
+      ethon (>= 0.9.0)
+    unicode-display_width (2.5.0)
+    uri (0.13.0)
+    webrick (1.8.1)
+    yell (2.2.2)
+    zeitwerk (2.6.12)
+
+PLATFORMS
+  arm64-darwin-21
+
+DEPENDENCIES
+  html-proofer
+  jekyll (~> 4.3.2)
+  jekyll-gist
+  tzinfo (~> 1.2)
+  tzinfo-data
+  wdm (~> 0.1.1)
+  webrick (~> 1.7)
+
+BUNDLED WITH
+   2.4.7