Update feature-and-enhancement-request.md

Author: hauke96

.github/ISSUE_TEMPLATE/feature-and-enhancement-request.md

@@ -7,17 +7,17 @@ assignees: ''
 
 ---
 
-**What would change in wiki2book?**
+### What would change in wiki2book?
 Describe your idea as clearly as possible.
 
-**What's the motivation behind this change?**
+### What's the motivation behind this change?
 Describe *why* this change is a good thing to wiki2book. Also mention the types of users that would benefit from the change.
 
-**What existing parts of wiki2book might be influenced by this change?**
+### What existing parts of wiki2book might be influenced by this change?
 Are there any other existing parts of wiki2book that need to be changed/removed/extended/... as well?
 
-**What alternatives are there?**
+### What alternatives are there?
 Are there other solutions than the one from above to achieve the same goal?
 
-**Additional context**
+### Additional context
 Add any other context or screenshots about the feature request here.