Initial commit of issue and merge request templates.

.gitlab/issue_templates/Default.md

+## Summary
+
+**Please choose an appropriate template to categorize your issue.**
+
+(Summarize the issue concisely)
+
+- **Unicado Version**: vx.x.x
+- **Page**: page-name
+
+## Additional information
+
+(Paste any relevant information to further describe the issue)
+
+/label ~"needs information"

.gitlab/issue_templates/Documentation.md

+## Summary
+
+(Explain what documentation is missing.)
+
+- **Unicado Version**: vx.x.x 
+- **Page**: page-to-change
+
+## Further details
+
+(Give further details why and how the documentation can be improved
+if applicable.)
+
+/label ~"type::documentation"
+

.gitlab/issue_templates/Todo.md

+## Summary
+
+(Summarize the todo concisely)
+
+- **Page**: page-name
+
+## Steps to do
+
+- [ ] Add the steps you need to do.
+
+/label ~"type::todo"
+

.gitlab/merge_request_templates/Default.md

+## What does this MR do and why?
+
+- **Page**: page-name
+
+(Describe in detail what your merge request does and why.
+
+Please keep this description updated with any discussion that takes place so
+that reviewers can understand your intent. Keeping the description updated is
+especially important if they didn't participate in the discussion.)
+
+%{first_multiline_commit}
+
+## How to set up and validate locally
+
+(Please provide instructions if your MR needs special commands or packages
+to work which are not part of the standard Unicado Package.)