Update project_request_form.md

doc.zih.tu-dresden.de/docs/application/project_request_form.md

 # Project Request Form Jards
 
+**We hereby inform you that a new application system is now in place.**
+
+**Please note:**  For follow-up applications, please submit a new application once
+
 This page describes the steps to fill the form on
 [https://projects.hpc.tu-dresden.de/](https://projects.hpc.tu-dresden.de/application/).