contributing guidelines upating with Community Guidelines

General MR

Summary

Adding section that hopefully encompases someone from the community following the process at a high level. Please check my run on sentences and spelling

Relates #1336 (closed)

CONTRIBUTING.md

@@ -2,7 +2,7 @@
 
 Thanks for taking the time to contribute to BigBang!
 
-If you are coming from `repo1.dso.mil` and have an account at `login.dso.mil` please keep reading. If you are coming from Github and wanting to make a Pull Request without a `dso.mil` account please see the last section [External Github Contributions](#community-contributions-to-dod-platform-one-via-github).
+If you are coming from `repo1.dso.mil` and have an account at `login.dso.mil` please keep reading. If you are coming from or looking for the [project on Github](https://github.com/DoD-Platform-One) and wanting to make a Pull Request without a `dso.mil` account please see the last section [External Github Contributions](#community-contributions-to-dod-platform-one-via-github).
 
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