New common issue template

Author: vikasrohit

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,21 @@
+### Expected behavior
+Describe.
+
+### Actual behavior
+Describe.
+
+### Steps to reproduce the problem
+- TBD.
+- TBD.
+- TBD.
+
+### Screenshot/screencast
+Attach or link a resource.
+
+--
+
+#### Environment
+- OS:
+- Browser (w/version):
+- User role (client, copilot or manager):
+- Account used: