Update README.md

README.md

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 A teleporter-pads mod for Minetest
 
 Developed and tested on Minetest 0.4.16 - try in other versions at your own risk :)
+
+# recipe
+W = any wood planks)
+B = bronze ingot
+WBW
+BWB
+WBW
+
+# features
+- place down a pad and the teleport station will be immediately active
+- right-click on a pad to open the interface
+- doubleclick on a station to teleport to it
+- edit the name of each station (then either hit "enter" or click "save")
+- you can delete any station from anywhere (apart from the one you clicked to open the interface, you have to destroy it manually)
+- deleting a remote station you'll lose the relative pad
+- issue "/tpad" on the chat to get a waypoint to the closest station
+- either teleport or issue "/tpad off" to turn the waypoint HUD off
+- each player has its own list of stations
+- any player can use any station, but only its owner can dig a station or delete a remote station from the interface