Add server operating system to template

Thanks @eMerzh, could be especially needed as there are some platform specific issues like filename encoding under MS Windows

diff --git a/issue_template.md b/issue_template.md
index 18750935e5128539b4b963dced25cbb0b228cb8e..817f435134a8ac1d3f83861948d49a08823013fc 100644 (file)
--- a/issue_template.md
+++ b/issue_template.md
@@ -10,7 +10,7 @@ Tell us what happens instead
 3. 
 
 ### Server configuration
-Webserver: 
+Operating System & Webserver: 
 
 PHP version: