create: admin.html, admin.js, help.html, index.html, info.html, info.js, k.html, k.js, login.html, main.js, style.css, xlsx.full.min.js, auth.js, package.json, server.js, sqllite.js

public/admin.html

@@ -14,6 +14,7 @@
     <main>
         <div class="admin-controls">
             <button id="addLessonBtn">+ Добавить урок</button>
+            <button id="clearDbBtn" class="danger-btn">🧹 Полная очистка базы</button>
             <div class="filters">
                 <div class="filter-group">
                     <label>Класс</label>
@@ -94,7 +95,8 @@
             </div>
         </div>
     </main>
-    <!--<script src="https://cdn.sheetjs.com/xlsx-0.20.2/package/dist/xlsx.full.min.js"></script>-->
+   <!--  <script src="https://cdn.sheetjs.com/xlsx-0.20.2/package/dist/xlsx.full.min.js"></script>-->
+    <script src="/xlsx.full.min.js"></script>
     <script src="admin.js"></script>
 </body>
 </html>