add ISSUE_TEMPLATE.MD

Author: horike37

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,23 @@
+# This is a (Bug Report / Feature Proposal)
+
+## Description
+
+For bug reports:
+* What went wrong?
+* What did you expect should have happened?
+* What was the config you used?
+* What stacktrace or error message from your provider did you see?
+
+For feature proposals:
+* What is the use case that should be solved. The more detail you describe this in the easier it is to understand for us.
+* If there is additional config how would it look
+
+Similar or dependent issues:
+* #12345
+
+## Additional Data
+* ***Serverless Framework Core Version you're using***:
+* ***The Plugin Version you're using***:
+* ***Operating System***:
+* ***Stack Trace***:
+* ***Provider Error messages***: