Caves need some better movement mechanics

[IntegratedQuantum]

Some caves are large and open and the player would greatly benefit from something like grappling hooks, wall climbing or lukki mutation style movement, maybe some ropes.

A Mario style triple jump might also be fun to play with.

[codemob-dev]

Maybe snale can slide up high friction surfaces? After all, snails in real life can climb on walls and even ceilings.