Add AI generated problems for more practice

[JoeProgrammer88]

The user should have the ability to generate more practice problems using a language model.

Questions to address:

• Which model to run? (Cheaper/free preferred)
• How fast the questions need to be generated? (local models would run on user hardware)
• Where do we generate? Do we save them? Do they disappear?

[JoeProgrammer88]

We could possibly use in-browser language models using WebGPU. Works on Chromium desktop browsers. This would be a free solution but require the user to download the model locally