Contributing guidelines (#140)

* Create Pull Request Template

* added contributing guidelines

- includes a pull request template

* cleanup duped PR docs

* finish fix of duped PR template

* updated contributing guidelines per #140

* comma cleanup, needs tests info update

.github/PULL_REQUEST_TEMPLATE.md

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+Fixes # .
+
+Changes Proposed in this Pull Request:
+-
+-
+-
+
+I have written tests for:
+
+- [ ] New features introduced
+- [ ] Bugs fixed
+- [ ] Neither (I'm just enhancing tests!)
+
+@jazzpi @LongLiveCHIEF