Add parkour

[Natan515]

Add parkour, so the player will jump when it gets to the end of the block.

[ToxicAven]

This has already been added here: #27

[Natan515]

Ye, I did remember u had this pull req but I thought u didn't added it. Well thanks!

[Luna5ama]

This shouldn't be closed until the pr is merged

[ToxicAven]

This shouldn't be closed until the pr is merged

This PR will not be merged, as the feature will be part of the plugins system.