Update Gemfile

Signed-off-by: Valentin Popov <valentin@popov.link>

Gemfile

@@ -8,13 +8,33 @@ source "https://rubygems.org"
 #
 # This will help ensure the proper Jekyll version is running.
 # Happy Jekylling!
-gem "github-pages", group: :jekyll_plugins
+
+# If you want to use GitHub Pages, remove the "gem "jekyll"" above and
+# uncomment the line below. To upgrade, run `bundle update github-pages`.
+# gem "github-pages", group: :jekyll_plugins
+gem "github-pages", "~> 230", group: :jekyll_plugins
 
 # If you have any plugins, put them here!
 group :jekyll_plugins do
-	gem "jekyll-paginate", "~> 1.1.0"
-	gem "octopress-autoprefixer", "~> 2.0.1"
+  gem "jekyll-feed", "~> 0.12"
 end
 
-# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
-gem "tzinfo-data", platforms: [:mingw, :mswin, :x64_mingw, :jruby]
+# Windows and JRuby does not include zoneinfo files, so bundle the tzinfo-data gem
+# and associated library.
+platforms :mingw, :x64_mingw, :mswin, :jruby do
+  gem "tzinfo", ">= 1", "< 3"
+  gem "tzinfo-data"
+end
+
+# Performance-booster for watching directories on Windows
+gem "wdm", "~> 0.1.1", :platforms => [:mingw, :x64_mingw, :mswin]
+
+# Lock `http_parser.rb` gem to `v0.6.x` on JRuby builds since newer versions of the gem
+# do not have a Java counterpart.
+gem "http_parser.rb", "~> 0.6.0", :platforms => [:jruby]
+
+# Starting with Ruby version 3.0.0, "webrick" is no longer included in the default
+# set of Ruby libraries. This addition ensures compatibility with Ruby 3.0.0 and
+# above by explicitly adding "webrick" to your dependencies, preventing potential
+# errors when running the Jekyll server without webrick specified in the Gemfile.
+gem "webrick", "~> 1.8"