Create general footnotes page

[Melissa37]

• [ ] Create page
• [ ] Add description of what is being covered
• [ ] Add description of checks required on this content, compiled from current protocol documents
• [ ] Add examples covering correct and incorrect scenarios, as required to support checks
• [ ] Populate with schematron messages
• [ ] Provide explanations for how to fix schematron errors and warnings
• [ ] Review house style document to ensure all requirements are covered by GitBook and schematron
• [ ] Review schematron messages related to this topic to ensure they are user friendly
• [ ] Becky approved page
• [ ] Melissa approved page
• [ ] Fred approved page
• [ ] James approved page
• [ ] Naushin approved page
• [ ] Share page with Exeter and invite feedback

Definition of done

• [ ] Page revised after team comments
• [ ] Team reviewed and approved page?
• [ ] Assign Fred to update the Schematron