Add github issue and pull request templates

Author: ktaranov

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,9 @@
+**Do you want to request a *feature* or report a *bug*?**
+
+**What is the current behavior?**
+
+**If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem.**
+
+**What is the expected behavior?**
+
+**Which versions of Powershell and which OS are affected by this issue? Did this work in previous versions of our scripts?**

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,16 @@
+Fixes # .
+
+Changes proposed in this pull request:
+ - 
+ - 
+ - 
+
+How to test this code:
+ - 
+ - 
+ - 
+
+Has been tested on (remove any that don't apply):
+ - Powershell 3 and above
+ - Windows 7 and above
+ - SQL Server 2012 and above