Templates for issues and merge requests

.gitlab/issue_templates/Bug.md

+### Summary
+
+(Summarize the bug encountered concisely)
+
+
+### Steps to reproduce
+
+(How one can reproduce the issue - this is very important)
+
+
+### What is the current *bug* behavior?
+
+(What actually happens)
+
+
+### What is the expected *correct* behavior?
+
+(What you should see instead)
+
+
+### Relevant logs and/or screenshots
+
+(Paste any relevant logs - please use code blocks (```) to format console output,
+logs, and code as it's very hard to read otherwise.)
+
+
+### Possible fixes
+
+(If you can, link to the line of code that might be responsible for the problem)
+
+/label ~Bug

.gitlab/issue_templates/Feature.md

+### Summary
+
+(Summarize the feature request concisely)
+
+
+
+/label ~"Feature request"
\ No newline at end of file

.gitlab/merge_request_templates/Bug.md

+### What does this MR do?
+
+### Does this MR meet the acceptance criteria?
+
+* [ ] [Coding style guidelines](https://gitlab.psi.ch/OPAL/src/wikis/For-Developers/CodingStyle)
+* [ ] [Change to Release Notes](https://gitlab.psi.ch/OPAL/src/wikis/ReleaseNotes/ReleaseNotes)
+
+
+/label ~Bug

.gitlab/merge_request_templates/Feature.md

+### What does this MR do?
+
+### Does this MR meet the acceptance criteria?
+
+* [ ] [Coding style guidelines](https://gitlab.psi.ch/OPAL/src/wikis/For-Developers/CodingStyle)
+* [ ] [Change to Release Notes](https://gitlab.psi.ch/OPAL/src/wikis/ReleaseNotes/ReleaseNotes)
+* [ ] Documentation added
+
+
+/label ~"Feature request"