在选项栏下面增加file filter ，template

index.html

@@ -26,12 +26,16 @@
                         <button id="fetch-btn" class="bg-blue-600 hover:bg-blue-700 text-white px-6 py-3 rounded-r-lg transition duration-200 flex items-center">
                             <i data-feather="download" class="mr-2"></i> Fetch
                         </button>
-                    </div>
                 </div>
+                <div id="custom-filter-section" class="hidden">
+                    <label for="custom-file-types" class="block text-sm font-medium text-gray-700 mb-2">Custom File Extensions (comma separated)</label>
+                    <input type="text" id="custom-file-types" class="w-full px-4 py-3 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500" placeholder=".ext1, .ext2, .ext3">
+                </div>
+            </div>
 <div class="grid grid-cols-1 md:grid-cols-3 gap-6">
                     <div>
                         <label class="block text-sm font-medium text-gray-700 mb-2">File Filter</label>
-                        <select id="file-filter" class="w-full px-4 py-3 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500">
+<select id="file-filter" class="w-full px-4 py-3 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500">
                             <option value="all">All Files (*.*)</option>
                             <option value="code">Code Only (.js, .ts, .py, .java, .cpp, .c, .h, .cs, .go, .rb, .php, .swift, .kt, .rs, .sh)</option>
                             <option value="docs">Documentation Only (.md, .txt, .rst, .adoc, .tex)</option>
@@ -39,8 +43,9 @@
                             <option value="tests">Test Files (_test.js, .spec.js, test_*.py, *_test.go)</option>
                             <option value="styles">Styles (.css, .scss, .sass, .less)</option>
                             <option value="assets">Assets (.png, .jpg, .svg, .gif, .mp4, .woff, .ttf)</option>
+                            <option value="custom">Custom File Types</option>
 </select>
-                    </div>
+</div>
 
                     <div>
                         <label class="block text-sm font-medium text-gray-700 mb-2">Template</label>

script.js

@@ -1,6 +1,17 @@
 
 document.addEventListener('DOMContentLoaded', function() {
     const fetchBtn = document.getElementById('fetch-btn');
+    const fileFilterSelect = document.getElementById('file-filter');
+    const customFilterSection = document.getElementById('custom-filter-section');
+    
+    // Show/hide custom file types input based on selection
+    fileFilterSelect.addEventListener('change', function() {
+        if (this.value === 'custom') {
+            customFilterSection.classList.remove('hidden');
+        } else {
+            customFilterSection.classList.add('hidden');
+        }
+    });
 const repoUrlInput = document.getElementById('repo-url');
     const fileFilterSelect = document.getElementById('file-filter');
     const templateSelect = document.getElementById('template');