chore: rename website-astro to website, update gitignore

- Rename website-astro/ to website/
- Add website/dist/ and website/.astro/ to gitignore
- Update generate-website-data.mjs output path

website/src/pages/collections.astro

@@ -0,0 +1,48 @@
+---
+import BaseLayout from '../layouts/BaseLayout.astro';
+import Modal from '../components/Modal.astro';
+---
+
+<BaseLayout title="Collections" description="Curated collections of prompts, instructions, and agents for specific workflows" activeNav="collections">
+  <main>
+    <div class="page-header">
+      <div class="container">
+        <h1>📦 Collections</h1>
+        <p>Curated collections of prompts, instructions, and agents for specific workflows</p>
+      </div>
+    </div>
+
+    <div class="page-content">
+      <div class="container">
+        <div class="search-bar">
+          <input type="text" id="search-input" placeholder="Search collections..." autocomplete="off">
+        </div>
+        
+        <div class="filters-bar" id="filters-bar">
+          <div class="filter-group">
+            <label for="filter-tag">Tag:</label>
+            <select id="filter-tag" multiple></select>
+          </div>
+          <div class="filter-group">
+            <label class="checkbox-label">
+              <input type="checkbox" id="filter-featured">
+              Featured Only
+            </label>
+          </div>
+          <button id="clear-filters" class="btn btn-secondary btn-small">Clear Filters</button>
+        </div>
+        
+        <div class="results-count" id="results-count"></div>
+        <div class="resource-list" id="resource-list">
+          <div class="loading">Loading collections...</div>
+        </div>
+      </div>
+    </div>
+  </main>
+
+  <Modal />
+
+  <script>
+    import '../scripts/pages/collections';
+  </script>
+</BaseLayout>