Update config.yml

Author: ajay-dhangar

.github/ISSUE_TEMPLATE/config.yml

@@ -10,3 +10,7 @@ contact_links:
   - name: Meet the Founder or Owner
     url: https://codeharborhub.github.io/me/
     about: Learn more about the founder and owner of CodeHarborHub.
+
+  - name: Join the Backend Team
+    url: https://forms.gle/onotshGZW9rAk5Pu8
+    about: Apply to join the CodeHarborHub Backend Development Team and help shape the future of e-learning.