Initial Homebrew tap setup with automated documentation

- Add formula parser with Ruby AST parsing
- Add GitHub Actions CI/CD workflows
- Add Jekyll-based documentation site
- Add RuboCop and Dependabot configuration
- Add example formula for demonstration

docs/Gemfile

@@ -0,0 +1,19 @@
+source "https://rubygems.org"
+
+ruby "3.4.5"
+
+gem "jekyll", "~> 4.4"
+
+group :jekyll_plugins do
+  gem "jekyll-feed", "~> 0.17"
+  gem "jekyll-seo-tag", "~> 2.8"
+  gem "jekyll-sitemap", "~> 1.4"
+end
+
+platforms :mingw, :x64_mingw, :mswin, :jruby do
+  gem "tzinfo", ">= 1", "< 3"
+  gem "tzinfo-data"
+end
+
+gem "wdm", "~> 0.2", platforms: [:mingw, :x64_mingw, :mswin]
+gem "http_parser.rb", "~> 0.6.0", platforms: [:jruby]