Update issue templates

.github/ISSUE_TEMPLATE/bug-report.md

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+---
+name: Bug Report
+about: Bug Report Template
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+<!--- Provide a general summary of the issue in the Title above -->
+
+## Expected Behaviour
+
+<!--- What should happen -->
+
+## Current Behavior
+
+<!--- What happens instead of the expected behavior -->
+
+## Steps to Reproduce 
+
+<!---
+Provide a link to an example, or an unambiguous set of steps to
+reproduce this bug. Include code to reproduce, if relevant
+--->
+1.
+1.
+1.
+1.
+
+## Your Environment
+
+<!--- Include as many relevant details about the environment you experienced the bug in -->
+
+- library version: