* Converting crabs to basic mobs (#77109)
## About The Pull Request
Exactly what it reads on the tin. As a bonus, they will flee from
attacking targets, hunt tiny critters (crabs are now small-sized) and
actually move sideways (it's an element that covers both client and
basic movement)
## Why It's Good For The Game
Another simple to basic mob refactor.
## Changelog
🆑
refactor: Crabs refactored into basic mobs. They now hunt tiny critters
and flee from attackers.
fix: Fixed crabs not crab-walking.
/🆑
* Converting crabs to basic mobs
* UpdatePaths
* More path changes
* Update simple_animal_freeze.dm
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Co-authored-by: Ghom <42542238+Ghommie@users.noreply.github.com>
Co-authored-by: Giz <13398309+vinylspiders@users.noreply.github.com>
