fix: rename script to shell

Author: JoJoJoJoJoJoJo

pages/index.html

@@ -304,7 +304,7 @@ <h2>Quick Installation</h2>
                 <div class="tabs">
                     <button class="tab-button active" data-tab="pipx">pipx</button>
                     <button class="tab-button" data-tab="pip">pip</button>
-                    <button class="tab-button" data-tab="script">Script</button>
+                    <button class="tab-button" data-tab="script">Shell</button>
                 </div>
 
                 <div class="tab-content active" id="pipx-tab">