docs: Update links to Chrome Web Store listing

- Add Chrome Web Store install link to README
- Update index.html primary CTA to Chrome Web Store
- Change 'Download' to 'Install' for clarity
- Update footer links to prioritize Chrome Web Store
- Extension now live at chromewebstore.google.com

Author: theabbie

README.md

@@ -51,7 +51,7 @@ Transform your new tab into a mesmerizing double pendulum physics simulation wit
 ## Installation
 
 ### From Chrome Web Store
-*Coming soon*
+**[Install Chaos Tab](https://chromewebstore.google.com/detail/chaos-tab/behocjpnacdldpecdiikadmackpbdpha)** - One-click install from the official Chrome Web Store
 
 ### Manual Installation (Developer Mode)
 

index.html

@@ -361,8 +361,8 @@ <h1>Chaos Tab</h1>
     <p class="tagline">Transform your new tab into a mesmerizing physics simulation with powerful productivity tools</p>
 
     <div class="cta-buttons">
-      <a href="https://github.com/theabbie/ChaosTab/releases" class="btn btn-primary">
-        <span>⬇️</span> Download Extension
+      <a href="https://chromewebstore.google.com/detail/chaos-tab/behocjpnacdldpecdiikadmackpbdpha" class="btn btn-primary">
+        <span>⬇️</span> Install Extension
       </a>
       <a href="https://github.com/theabbie/ChaosTab" class="btn btn-secondary">
         <span>⭐</span> View on GitHub
@@ -538,8 +538,8 @@ <h2 class="support-title">Need Help or Have Feedback?</h2>
   <footer>
     <div class="footer-content">
       <div class="footer-links">
+        <a href="https://chromewebstore.google.com/detail/chaos-tab/behocjpnacdldpecdiikadmackpbdpha" class="footer-link">Install</a>
         <a href="https://github.com/theabbie/ChaosTab" class="footer-link">GitHub</a>
-        <a href="https://github.com/theabbie/ChaosTab/releases" class="footer-link">Download</a>
         <a href="https://github.com/theabbie/ChaosTab/issues" class="footer-link">Support</a>
         <a href="https://github.com/theabbie/ChaosTab/blob/master/LICENSE" class="footer-link">License</a>
       </div>