New instructions (!80)

New instructions for the merge request workflow.

Approved-by: Yen-Chen Chen <yen-chen.chen@kit.edu>
Merged-by: Yen-Chen Chen <yen-chen.chen@kit.edu>
Changelog: other

.gitlab/merge_request_templates/bugfix.md

@@ -30,6 +30,7 @@ _Describe important implementation details of the bugfix._
 - [ ] Test coverage does not decrease
 - [ ] Reviewed by a maintainer
 - [ ] Incorporate review suggestions
+- [ ] Prior to merging, please remove any boilerplate from the MR description, retaining only the _What is the bug_ and _How do you fix it_ section to maintain 
 - [ ] Remember to edit the commit message and select the proper changelog category (feature/bugfix/other)
 
 **You are not supposed to merge this request by yourself, the maintainers of fortan-support take care of this action!**

.gitlab/merge_request_templates/feature.md

@@ -25,6 +25,7 @@ _Describe important implementation details of the feature._
 - [ ] Test coverage does not decrease
 - [ ] Reviewed by a maintainer
 - [ ] Incorporate review suggestions
+- [ ] Prior to merging, please remove any boilerplate from the MR description, retaining only the _Please describe your feature in a couple of words_ and _describe important implementation details of the feature_ section to maintain 
 - [ ] Remember to edit the commit message and select the proper changelog category (feature/bugfix/other)
 
 **You are not supposed to merge this request by yourself, the maintainers of fortan-support take care of this action!**