Description

Solves issue # 307 which asks for a heading tag in the event description modal.

Type of change

Please select everything applicable. Please, do not delete any lines.

[X] Bug fix (non-breaking change which fixes an issue)
[ ] New feature (non-breaking change which adds functionality)
[ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
[ ] This change requires a documentation update
[ ] This change requires an update to testing

[X] Is this related to a specific issue? If so, please specify: https://github.com/Together-100Devs/Together/issues/307

[X] This PR is up to date with the main branch, and merge conflicts have been resolved
[X] I have executed npm run test and all tests have passed successfully or I have included details within my PR on the failure.
[X] I have executed npm run lint and resolved any outstanding errors. Most issues can be solved by executing npm run format
[X] My code follows the style guidelines of this project
[X] I have performed a self-review of my own code
[X] I have commented my code, particularly in hard-to-understand areas
[X] My changes generate no new warnings