Added digiboard, digilines keyboard which uses channel keyboard

digiboard/depends.txt

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+default
+digilines

digiboard/init.lua

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+--Digiboard by bas080
+minetest.register_node("digiboard:keyboard", {
+  description = "Digilines Keyboard",
+  tiles = {"keyboard_top.png", "keyboard_bottom.png", "keyboard_side.png", "keyboard_side.png", "keyboard_side.png", "keyboard_side.png"},
+  walkable = true,
+  paramtype = "light",
+  paramtype2 = "facedir",
+  drawtype = "nodebox",
+  node_box = {
+    type = "fixed",
+    fixed = {
+      {-4/8, -4/8, 0, 4/8, -3/8, 4/8},
+    },
+  },
+  selection_box = {
+    type = "fixed",
+    fixed = {
+      {-4/8, -4/8, 0, 4/8, -3/8, 4/8},
+    },
+  },
+  digiline = { receptor = {},
+    effector = {
+      action = function(pos, node, channel, msg)
+      end
+    },
+  },
+  groups =  {choppy = 3, dig_immediate = 2},
+  on_construct = function(pos)
+    local meta = minetest.env:get_meta(pos)
+    meta:set_string("formspec", "field[text;;]")
+    meta:set_string("infotext", "Keyboard")
+    meta:set_int("lines", 0)
+  end,
+  on_receive_fields = function(pos, formname, fields, sender)
+    local meta = minetest.env:get_meta(pos)
+    local text = fields.text
+    local channel = "keyboard"
+    if text ~= nil then
+      digiline:receptor_send(pos, digiline.rules.default, channel, text)
+    end
+  end,
+})