adding a template to help streamline review process

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,11 @@
+**Reasons for making this change:**
+
+_TODO_
+
+**Links to documentation supporting these rule changes:** 
+
+_TODO_
+
+If this is a new template: 
+
+ - **Link to application or project’s homepage**: _TODO_