feat: add refuel program

install.lua

@@ -1,4 +1,5 @@
 local LIST_TURTLE_FILES = {
+  'refuel.lua',
   'miner.lua',
   'tunnels-miner.lua',
   'coal-crafter.lua',

refuel.lua

@@ -0,0 +1,16 @@
+local turtleUtils = require('turtle-utils')
+
+local function main()
+  local initialFuelLevel = turtle.getFuelLevel()
+  print('Current fuel: ' .. turtleUtils.getFuelPercentage()  .. '%')
+
+  turtleUtils.refuelAllFromInventory()
+
+  if initialFuelLevel == turtle.getFuelLevel() then
+    error('nothing to refuel', 0)
+  end
+
+  print('New fuel: ' .. turtleUtils.getFuelPercentage()  .. '%')
+end
+
+main()