csv proof of concept

src/main/resources/templates/create.html

@@ -57,7 +57,11 @@
                 </div>
             </div>
         </form>
+        <form action="/gruppen2/api/uploadcsv" method="post" enctype="multipart/form-data">
+            <input type="file" name="file" id="file" />
+            <input type="submit" name="submit" value="Submit" />
+        </form>
     </div>
 </main>
 </body>
-</html>
+</html>