Update post template (#176)

* fix project is none

* adding none.md to patch

* finalize None project fix

* further hack so no input is also None

Author: Cheukting

_projects/_none.md

@@ -0,0 +1,9 @@
+---
+obj_id: _none
+name: "None"
+logo: static/images/site_logo/python_sprints_logo_triangles_flat_light_text_502x100px.png
+website: https://python-sprints.github.io
+setup_html: |
+    <p></p>
+---
+< boilerplate for project None >