Sponsorship Dashboard: Add text description for benefit types

[oliviasauls]

Location of change python.org/users/sponsorships/ - Sponsorship Dashboard - individual sponsorship dashboard page

Describe the solution you'd like Indicate booth size (10x10, 10x20, 20x30 ) next to “Booth space in Exhibit Hall” under Sponsorship Benefits

Reason for change Sponsors had a hard time remembering/finding the booth size they receive with their sponsorship level

Priority

1. High

Date Needed Sponsorship Launch

Additional context