docs: add Homebrew install instructions to README and website

Author: thedavidweng

README.md

@@ -35,7 +35,10 @@ Existing personal finance tools either lock data behind a paid SaaS, embed opini
 ## Quick Start
 
 ```bash
-# Install
+# Install via Homebrew (macOS/Linux)
+brew install thedavidweng/tap/money
+
+# Or install via Go (cross-platform)
 go install github.com/thedavidweng/money/cmd/money@latest
 
 # Try it without real credentials

website/src/pages/index.astro

@@ -249,7 +249,10 @@ const docsList = [
 							<p class="qs-desc">Bundled in-memory sample data; safe to run anywhere. <code>meta.demo: true</code> on every envelope.</p>
 						</div>
 						<div class="qs-code">
-							<pre><code><span class="term-comment"># Install</span>
+							<pre><code><span class="term-comment"># Install via Homebrew</span>
+<span class="term-prompt">$</span> brew install thedavidweng/tap/<span class="term-cmd">money</span>
+
+<span class="term-comment"># Or via Go</span>
 <span class="term-prompt">$</span> go install github.com/thedavidweng/money/cmd/<span class="term-cmd">money</span>@latest
 
 <span class="term-comment"># Try with sample data</span>