Add more details to issue template

Author: steve-chavez

.github/ISSUE_TEMPLATE.md

@@ -1,11 +1,11 @@
 ### Environment
 
-* Version of postgrest:
+* PostgreSQL version: (if using docker, specify the image)
+* PostgREST version: (if using docker, specify the image)
 * Operating system:
-* Running in docker:
-  * [ ] yes
-  * [ ] no
 
 ### Description of issue
 
-(Expected behavior vs actual behavior.)
+(Expected behavior vs actual behavior)
+
+(Steps to reproduce: Include a minimal SQL definition plus how you make the request to PostgREST and the response body)