Add PR and issue templates

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,14 @@
+<!--- Provide a general summary of the issue in the Title above -->
+
+## Detailed Description
+<!--- Provide a detailed description of the change or addition you are proposing -->
+
+## Context
+<!--- Why is this change important to you? How would you use it? -->
+<!--- How can it benefit other users? -->
+
+## Possible Implementation
+<!--- Not obligatory, but suggest an idea for implementing addition or change -->
+
+## Your Environment
+<!--- Include as many relevant details about the environment you experienced the bug in -->