Add Read the Docs links for Hier Config API and CLI

Author: claude

index.html

@@ -32,6 +32,8 @@ <h2>Features</h2>
     <section id="docs">
         <h2>Documentation</h2>
         <a href="https://hier-config.readthedocs.io/en/latest/" class="link">Hier Config Read the Docs</a>
+        <a href="https://hier-config-api.readthedocs.io/en/latest/" class="link">Hier Config API Read the Docs</a>
+        <a href="https://hier-config-cli.readthedocs.io/en/latest/" class="link">Hier Config CLI Read the Docs</a>
     </section>
     <footer>
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