feat(miner): add 3s delay at start

miner.lua

@@ -14,6 +14,7 @@ local MAX_Y = INITIAL_TARGET_Y + (config.height - 1)
 local MAX_Z = TARGET_Z
 
 local MIN_PERCENTAGE_NEEDED = 10
+local TIME_TO_START = 3
 
 local miner = {
   robot = robotApi.create(),
@@ -138,8 +139,12 @@ local function checkConfig()
   end
 end
 
-local function minerStarted()
+local function startMiner()
   turtle.select(1)
+
+  print('Miner will starting in ' .. TIME_TO_START .. ' seconds...')
+  os.sleep(TIME_TO_START)
+
   miner.started = true
   print("> Miner program started, minimum percentgae fuel needed: " .. MIN_PERCENTAGE_NEEDED)
 end
@@ -344,7 +349,7 @@ if not miner.started then
   while not waitForUserConfirmation() do end
 end
 
-minerStarted()
+startMiner()
 saveMinerState()
 
 while not isProgramFinished() do