Create pull_request_template

.github/pull_request_template.md

@@ -0,0 +1,14 @@
+<!-- Thank you for contributing to Polly!  Open source is only as strong as its contributors.  All non-trivial contributions get a public credit in the readme! -->
+
+### The issue or feature being addressed
+
+<!-- Please include the existing github issue number where relevant -->
+
+### Details on the issue fix or feature implementation
+
+### Confirm the following
+
+- [ ]  I have merged the latest changes from the dev vX.Y branch
+- [ ]  I have successfully run a local build
+- [ ]  I have included unit tests for the issue/feature
+- [ ]  I have targeted the PR against the latest dev vX.Y branch