Merge pull request #2736 from neolit123/patch

ISSUE_TEMPLATE: suggestion to test at try.gogs.io

.github/ISSUE_TEMPLATE.md

@@ -11,6 +11,10 @@ For bug reports, please give the relevant info:
   - [ ] PostgreSQL
   - [ ] MySQL
   - [ ] SQLite
+- Can you reproduce the bug at http://try.gogs.io:
+  - [ ] Yes
+  - [ ] No
+  - [ ] Not relevant
 - Log gist:
 
 ## Description