Admin Analytics hidden route

[Thangamanir]

create a route that provides admin with statistics from the past week/month/alltime up to a maximum number of queried events (i.e. 1000). This route can be designed similar to the learning route. Include the following statistics aggregated across all users.
Activity attempts
Activities completed
CodeCombat activities completed
Jupyter activities completed
New python skills demonstrated
New activities created
Ranked list of skills being used to solve activities
Number of users viewing their learning analytics dashboard