Update github files.

Author: Holt59

.github/issue_template.md

@@ -5,6 +5,7 @@ This is a (multiple allowed):
 * [ ] question
 
 * CakePHP Version: EXACT RELEASE VERSION (e.g. 3.4.13).
+* Plugin Version/Branch: COMPOSER REQUIREMENTS (e.g. `dev-master`, `dev-4.0.1-alpha`, `3.1.*`).
 
 ### What you did
 EXPLAIN WHAT YOU DID, PREFERABLY WITH CODE EXAMPLES, HERE.

.github/pull_request_template.md

@@ -0,0 +1,4 @@
+Describe the big picture of your changes here to communicate to the maintainers why we should accept this pull request.
+If it fixes a bug or resolves a feature request, be sure to link to that issue.
+
+The best way to propose a feature is to open an issue first and discuss your ideas there before implementing them.