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/index.md

@@ -0,0 +1,42 @@
+---
+layout: default
+title: Home
+---
+
+# ivuorinen/homebrew-tap
+
+Welcome to the documentation for ivuorinen's Homebrew tap. This tap contains custom formulae for various tools and utilities.
+
+## Quick Start
+
+```bash
+brew tap ivuorinen/homebrew-tap
+brew install <formula-name>
+```
+
+## Available Formulae
+
+{% if site.data.formulae.formulae.size > 0 %}
+<div class="formulae-grid">
+{% for formula in site.data.formulae.formulae %}
+  <div class="formula-card">
+    <h3><a href="{{ '/formula/' | append: formula.name | relative_url }}">{{ formula.name }}</a></h3>
+    {% if formula.description %}<p>{{ formula.description }}</p>{% endif %}
+    <div class="formula-meta">
+      {% if formula.version %}<span class="version">v{{ formula.version }}</span>{% endif %}
+      {% if formula.license %}<span class="license">{{ formula.license }}</span>{% endif %}
+    </div>
+  </div>
+{% endfor %}
+</div>
+{% else %}
+<p>No formulae available yet. Add some formulae to the <code>Formula/</code> directory to get started.</p>
+{% endif %}
+
+## Repository
+
+View the source code and contribute on [GitHub](https://github.com/{{ site.repository }}).
+
+---
+
+*Documentation automatically generated from formula files.*