rich text editor for event description

[nagarajpandith]

• research on a good wysiwyg editor for react
• you might have to change schema of event table, description to Json
• you need to edit the addEvent and editEvent backend mutations accordingly
• handle the rendering of this content on wherever event descriptions are being rendered
  • home page - for events with isAvailable as True
  • in /events page, modal
  • in /admin/events page, in the forms of editing and adding the event