Basic configurable teleport plugin. No special features, fluff, just teleport.

Commands:
- /tpa <player>: Send a request to teleport to another player.
- /tpahere <player>: Send a request to teleport another player to you.
- /tpaccept: Accepts a pending teleport request.
- /tpdeny: Denies a pending teleport request.
- /tpcancel: Cancels a pending teleport request.