added final frontend with full responsive style but without any logic

frontend/src/components/Form1.tsx

@@ -0,0 +1,45 @@
+import React from "react";
+
+const Form1: React.FC = () => {
+  return (
+    <div className="space-y-6">
+      <h2 className="text-xl font-bold text-blue-700">1. Zeitraum wählen</h2>
+      <form className="space-y-4">
+        <div>
+          <label
+            htmlFor="startDate"
+            className="block text-sm font-medium text-blue-800 mb-1"
+          >
+            Start
+          </label>
+          <input
+            type="datetime-local"
+            id="startDate"
+            className="w-full border border-blue-200 rounded-lg px-3 py-2 focus:ring-2 focus:ring-blue-400 focus:outline-none bg-white/70"
+          />
+        </div>
+        <div>
+          <label
+            htmlFor="endDate"
+            className="block text-sm font-medium text-blue-800 mb-1"
+          >
+            Ende
+          </label>
+          <input
+            type="datetime-local"
+            id="endDate"
+            className="w-full border border-blue-200 rounded-lg px-3 py-2 focus:ring-2 focus:ring-blue-400 focus:outline-none bg-white/70"
+          />
+        </div>
+        <button
+          type="submit"
+          className="w-full bg-gradient-to-r from-blue-600 to-blue-400 hover:from-blue-700 hover:to-blue-500 text-white font-bold py-2 px-4 rounded-xl shadow transition"
+        >
+          Verfügbare Gegenstände anzeigen
+        </button>
+      </form>
+    </div>
+  );
+};
+
+export default Form1;