Hi,
Thanks for using our plugins. I can try to help out on your customization.
It is not possible without significant customization to create a new Add Event Page.
You could follow our themer’s guide:
https://theeventscalendar.com/knowledgebase/themers-guide/
To move the community files and wrap them in a check for a specific role.
Community Events creates the capabilities itself so any WordPress role can create events using the forms or if you have it set an anonymous user as well. So plugins that would change role capabilities will not help.
Let me know if you have any follow up questions, but we are limited on support for customizations.
Thanks