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

.github/dependabot.yml

@@ -0,0 +1,33 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "monday"
+      time: "09:00"
+    groups:
+      github-actions:
+        patterns:
+          - "actions/*"
+          - "ruby/setup-ruby"
+          - "Homebrew/actions/*"
+    commit-message:
+      prefix: "ci"
+      include: "scope"
+
+  - package-ecosystem: "bundler"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "monday"
+      time: "09:00"
+    groups:
+      development-dependencies:
+        dependency-type: "development"
+        patterns:
+          - "rubocop*"
+          - "rspec*"
+    commit-message:
+      prefix: "deps"
+      include: "scope"