included missing dependencies (py-venv, pip) in documentation

Author: SudoHopeX

templates/index.html

@@ -351,6 +351,8 @@ <h1>Requirements</h1>
   <h3 style="font-size: 1.1rem; margin-bottom: 15px; color: var(--text-main); opacity: 0.9;">1. System Packages</h3>
   <div class="engine-grid" style="margin-bottom: 30px;">
     <div class="engine-pill">Python 3.13+</div>
+    <div class="engine-pill">python-venv</div>
+    <div class="engine-pill">python-pip</div>
     <div class="engine-pill">xvfb</div>
     <div class="engine-pill">Chrome / Chromium Browser</div>
   </div>