Assign Air Action to a Different Button and Disabling Spindash

[shifturret]

Hello, I would like to assign the Air action to a different button than the jump button. The reason i want to do this is so the player can use it on the ground as well as in the air (if that's possible). I would also like to add a cooldown to the Air/ground action to prevent spamming. Finally, I want to disable the spindash. thanks in advance.