Merge pull request #17 from nasa-gcn/decrease-heading-level

Decrease heading level in PR template

pull_request_template.md

@@ -1,15 +1,15 @@
 <!-- IMPORTANT!!! Aside from typographical corrections and minor changes, please consider creating an Issue before making a Pull Request. -->
 
-### Description
+# Description
 Please include a one to two sentence description that summarizes the issue and your solution.
 
-### Related Issue(s)
+# Related Issue(s)
 Use Github keywords to link your PR to the related Issue(s). For more information on Github keywords please visit [Github's documentation](https://docs.github.com/en/get-started/writing-on-github/working-with-advanced-formatting/using-keywords-in-issues-and-pull-requests#linking-a-pull-request-to-an-issue)
 
 Example:
 
 `Resolves #100`
 
-### Testing
+# Testing
 Describe how you tested this PR. Include step by step instructions for others to test this PR.
 Be detailed and include images where appropriate.