Added a template for filing issues

.github/ISSUE_TEMPLATE

@@ -0,0 +1,25 @@
+#### Is this a Bug or Feature request?:
+
+
+#### Steps to reproduce or link to a repro project:
+
+
+#### Description of the problem:
+
+
+#### Version of `Microsoft.AspNetCore.Mvc` or `Microsoft.AspNetCore.App` or `Microsoft.AspNetCore.All`:
+
+
+<!--
+                                    --- NOTE ---
+1.  Try enabling logging (in the most verbose level) and see if the details help you in fixing
+    the issue you are seeing. Share the logs too if it helps in diagnosing the issue faster.
+    More info: https://docs.microsoft.com/en-us/aspnet/core/fundamentals/logging
+
+2.  If you are seeing an exception, include the full exceptions details (message and stack trace).
+    More info: https://docs.microsoft.com/en-us/aspnet/core/fundamentals/error-handling
+
+3.  If you believe you have an issue that affects the security of the platform please do
+    not create an issue, instead email your issue to 'secure@microsoft.com'. Your report may
+    be eligible for our bug bounty. More info: https://technet.microsoft.com/en-us/mt764065.aspx
+-->