Fixed bug report template for gitea

.gitea/ISSUE_TEMPLATE/bug.md

@@ -10,23 +10,23 @@ labels:
 ---
 
 <!If this issue is for both the server and client, please post your issue on the client repository instead>
-##Bug summary
+## Bug summary
 
 <!Put a short summary of what the bug is here>
 
-##Intended Behaviour
+## Intended Behaviour
 
 <!What do you expect the program to do?>
 
-##Observed Behaviour
+## Observed Behaviour
 
 <!What did the program actually do?>
 
-##How to reproduce
+## How to reproduce
 
 <!How did you get the program to do what it did? Can it be reproduced easily? If any files were used to reproduce the issue, please provide them.>
 
-##System Details
+## System Details
 
 **OS/Version**: 
 **Program Version**: