Initial commit

Simplify and improve the code of random answer selection

Fix off by one bug

Add error handling

Fix possible infinite loop bug

Also use current question for random answers

Make the random answers parts more relevant for the current question

Render stats only after selecting question

Update for new calc 2 theorems

Apply max height on img

Randomize the incorrect answer parts

Select random question also on init

Added question images

Add indicator of part

Increase size of buttons

Added most proofs

Better design

Add support for proof questions

Added some emojis

Improve design and improve mathematical symbols

Added more questions

Add initial implementation

Initial commit