chore: improve web support (#36)

Reviewed-on: #36

web/www/main.js

@@ -0,0 +1,35 @@
+async function init() {
+  const loadingEl = document.getElementById('loading');
+  const appEl = document.getElementById('app');
+
+  try {
+    // Import the WASM module
+    const wasm = await import('./wasm/coop_web.js');
+    await wasm.default();
+
+    // Initialize the story gallery
+    await wasm.run();
+
+    // Hide loading indicator
+    if (appEl) {
+      appEl.remove();
+    }
+  } catch (error) {
+    console.error('Failed to initialize:', error);
+
+    // Show error message
+    if (loadingEl) {
+      loadingEl.innerHTML = `
+        <div class="error">
+          <h2>Failed to load the application</h2>
+          <p>${error.message || error}</p>
+          <p style="margin-top: 10px; font-size: 14px;">
+            Please check the console for more details.
+          </p>
+        </div>
+      `;
+    }
+  }
+}
+
+init();