Add structured markup to eligibiltiy.md (#6255)
Add structured markup to eligibiltiy.md (#6255)

* HowTo markup of eligibility.md

* Adding back a mistakenly removed content.

* Somehow added some merge cruft

* Reverted text back to correct order in first blue box: ed eligibility

* Update eligibility.md

* Minor tweaks with Beth to resolve broken links

department-of-veterans-affairs/vets-website,department-of-veterans-affairs/vets-website