added documentation

bring

@@ -1,3 +1,15 @@
+-- Master of the automatic bringing system
+-- Works with a simple protocol:
+
+-- Master: broadcast -item-
+-- matching slave: send -ack- or -empty-
+-- in case of a -ack- the master will wait for -return-
+-- in case of -empty- the master will exit
+
+-- if there is no matching slave, then the master won't receive ack and exits
+-- if there are more matching slaves, then there is UB
+
+
 local args = { ... }
 
 -- the wifi side, i guess...

slave

@@ -1,3 +1,11 @@
+-- Active slaves which will activate an engine next to it (to get content of a chest)
+-- Slaves should be aligned with the master
+-- It leaks at the moment (because engines have a cool down and pipes are slow)
+
+-- Possible other (simpler) slave: use the turtle as a chest and put it next to a diamond pipe
+-- (this requires more diamond, but less redstone engines/chests and probably wont leak)
+
+
 local args = { ... }
 local threshold = 5