GitLab: update merge request template

Author: greenrobot-team

.gitlab/merge_request_templates/Default.md

@@ -1,24 +1,24 @@
-## What does this MR do?
+## What does this merge request do?
 
-Addresses #NUMBER+
+<!-- TODO Link associated issue from title, like: <title> #NUMBER -->
 
-<!-- Briefly describe what this MR is about. -->
+<!-- TODO Briefly list what this merge request is about -->
 
 ## Author's checklist
 
-- [ ] The MR fully addresses the requirements of the associated task.
-- [ ] I did a self-review of the changes and did not spot any issues. Among others, this includes:
-  * I added unit tests for new/changed behavior; all test pass.
-  * My code conforms to our coding standards and guidelines.
-  * My changes are prepared in a way that makes the review straightforward for the reviewer.
-- [ ] I assigned a reviewer and added the Review label.
+- [ ] This merge request fully addresses the requirements of the associated task
+- [ ] I did a self-review of the changes and did not spot any issues, among others:
+  - I added unit tests for new or changed behavior; existing and new tests pass
+  - My code conforms to our coding standards and guidelines
+  - My changes are prepared (focused commits, good messages) so reviewing them is easy for the reviewer
+- [ ] I assigned a reviewer to request review
 
-## Review checklist
+## Reviewer's checklist
 
-- [ ] I reviewed all changes line-by-line and addressed relevant issues 
+- [ ] I reviewed all changes line-by-line and addressed relevant issues
 - [ ] The requirements of the associated task are fully met
-- [ ] I can confirm that:  
-  * CI passes
-  * Coverage percentages do not decrease
-  * New code conforms to standards and guidelines
-  * If applicable, additional checks were done for special code changes (e.g. core performance, binary size, OSS licenses)
+- [ ] I can confirm that:
+  - CI passes
+  - If applicable, coverage percentages do not decrease
+  - New code conforms to standards and guidelines
+  - If applicable, additional checks were done for special code changes (e.g. core performance, binary size, OSS licenses)