Add badge generation support.

[marcoag]

Please note this issue can be taken by multiple participants. It will remain open and accessible to all participants until a successful PR is submitted.

WARNING: This is an issue for the new version v3 of the eventyay backend API, make sure you are working with the dev-v3 branch, and that your PRs target that specific branch.

Depends on #9106.

Create a form for the user to select fields/information to be added in the badge and give the option to generate a qr code

Retrieve information from the attendees of an event and send badges information.

[Cvr421]

Hello @marcoag can i work on this .

[hpdang]

Please note this issue can be taken by multiple participants. It will remain open and accessible to all participants until a successful PR is submitted.

[himanshugupta11002]

Hello @marcoag, I am a beginner currently working on resolving an issue. I have some questions related to the problem.
Should I create an HTML form or update an existing HTML file? Where should I add that file once created? Also, what does "badge" refer to in this context?