Update post template (#174)

* fix project is none

* adding none.md to patch

Author: Cheukting

_projects/none.md

@@ -0,0 +1,14 @@
+---
+obj_id: None
+name: "None"
+logo: static/images/projects/django-logo-positive.png
+website: https://www.djangoproject.com/
+setup_html: |
+    <p>
+        Please follow the instruction in this link:
+        <a href="https://docs.djangoproject.com/en/dev/internals/contributing/">
+            https://docs.djangoproject.com/en/dev/internals/contributing/
+        </a>
+    </p>
+---
+<boilerplate for project None>