Update PULL_REQUEST_TEMPLATE.md

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,10 +1,21 @@
-# 📑 Meine Änderung <!-- Schreibe hier die Änderung hin // Titel -->
+## 📋 Description
 
-Beschreibe hier kurz, was du verändert hast.
+Please include a summary of the changes and the related issue. Explain the problem that you are solving and provide the
+necessary context.
 
-## Änderungen vorgenommen an ...
+## 🚀 Changes made to ...
 
-- [ ] Server
-- [ ] Client
-- [ ] Dokumentation
-- [ ] Sonstiges: ___
+- [ ] 🔧 Server
+- [ ] 🖥️ Client
+- [ ] 📚 Documentation
+- [ ] 🔄 Other: ___
+
+## ✅ Checklist
+
+- [ ] My code follows the style guidelines of this project
+- [ ] I have performed a self-review of my own code
+- [ ] I have looked for similar pull requests in the repository and found none
+
+## 🔗 Related Issues <!-- If there are any related issues, please link them here. -->
+
+Fixes #(issue)