Update feature_request.md

Author: loreanvictor

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,20 +1,11 @@
----
-name: Feature request
-about: Suggest an idea for this project
-title: ''
-labels: ''
-assignees: ''
-
----
-
-**Why should it be added?**
+### Why should it be added?
 Describe why do you need this feature, i.e. its cumbersome to do something that is of common-use, it is not possible to this other thing you want to do, etc.
 
-**What should be added?**
+### What should be added?
 Describe what is the feature you need. If applicable any of the following would also be extremely helpful:
 - A pull-request containing a failing test, that would pass if the feature is added,
 - A gist or code-snippet, describing how the change in the API would look like,
 - An independently executable code snippet (like on [stackblitz](stackblitz.com)) to elaborate what would the feature do.
 
-**Additional context**
+### Additional context
 Add any other context or screenshots about the feature request here.