this includes:
- fix README from merge
- could have been done more cleanly but meh
- add links between parts
- better part titles
- add a note about running tests
- fix typo
- Update README.md
- reorder functions in mario_kart_wr.py
- add a python example for math.exp
- add a python example for math.pi and math.sqrt, add math import in mario_kart_wr.py
- fix note
- Update mario_kart_wr.md
- Update test_robots.py
- refactor robots introduction
- add lms link and procedure
- update links to go from main page to part 1 & 2
- mk8: fix "classes" test
- mk8: fix and split "filter" tests
- typo: correct link names
- Update 2 files
    - /mario_kart_wr.md
    - /src/mario_kart_wr.py
    - from !2
- add a test for the heuristic
- mention location of dijkstra and a_star functions
- coming from !3
- add note about the possibility of single neighbor
- assert the paths instead of printing both
- add clarifications
- add dictionary ROBOT_NAME_TO_INDICES
- remove the time step limit