Apply a project template to an existing project. Admin only.

POST /data/projects/{project_id}/apply-template/{template_id}
Jwt authorization
POST /data/projects/{project_id}/apply-template/{template_id} 
curl \
 --request POST 'http://api.example.com/data/projects/{project_id}/apply-template/{template_id}' \
 --header "Authorization: $API_KEY"