deno and tauri work and start

todo: fix deno that it displays page in /static

frontend/static/style.css

@@ -0,0 +1,10 @@
+body {
+    font-family: Arial, sans-serif;
+    text-align: center;
+    padding: 20px;
+}
+
+button {
+    padding: 10px 20px;
+    font-size: 16px;
+}