Comparison to SuperMemo

[BradKML]

Cross-referencing #33 after April Fools 2021, SM-* algorithms are hinted at.

By observing these documents, one can see that SuperMemo's algorithm is very complex, and that simplification can be done to be slightly better than Anki's modified SM-2 algorithm.

• https://supermemo.guru/wiki/First_data-driven_spaced_repetition_algorithm:_Algorithm_SM-8
• https://supermemo.guru/wiki/Algorithm_SM-15
• https://supermemo.guru/wiki/Algorithm_SM-17