DoubleJump:
intensity (default: 1.5): Controls the jump width
activateOnJoin (default: true): If this is true, the double jump will be activated for everybody that has the permission.
cooldown: (default: 1): The cooldown in seconds.
JumpPlates:
activated (default: true): If this is true, the jump plates will be activated.
type (default: LIGHT_WEIGHTED_PRESSURE_PLATE): Type of plate. (List of Types:
https://hub.spigotmc.org/javadocs/bukkit/org/bukkit/Material.html, only plates work.)
intensity (default: 1.5): Controls the jump width