Create a template for tasks

[ccamara]

• [x] Create a template for documenting the tasks.
• [ ] Create an issue for every task
  • [x] assign a tag
  • [ ] link it to the qmd template
  • [x] Define instructions
  • [ ] Suggest people interested to discuss there if they are to do i

[ccamara]

Cases (previously referred to as "tasks") will be managed via issues.

Commit ac808574fea898b3c8af6a40b233293924a4228d creates an issue template with all required fields.