docs(versioning): pin setup script to a stable commit in docs (#97)

* pin to latest commit

* remove readme changes

Author: parthsidpara

www/src/pages/docs.astro

@@ -69,7 +69,7 @@ import Layout from '../layouts/Layout.astro';
         <section id="installation" class="docs-section">
           <h2>1.2 Installation</h2>
           <p>Either open terminal on the Raspberry Pi's desktop environment, or remote login to it; and run the following command:</p>
-          <div class="code-block" data-code="curl -sSL https://raw.githubusercontent.com/debloper/piosk/main/scripts/setup.sh | sudo bash -">
+          <div class="code-block" data-code="curl -sSL https://raw.githubusercontent.com/debloper/piosk/d586dfa833187df34de8e8345b85c8d27be8bdc9/scripts/setup.sh | sudo bash -">
             <div class="code-header">
               <span class="code-language">bash</span>
               <button class="copy-button" onclick="copyCode(this)">