feat: add start script

relay.py

@@ -6,8 +6,6 @@ import time
 class Relay:
     def __init__(self, pin):
         self.pin = pin
-
-    def setup(self):
         GPIO.setmode(GPIO.BOARD)
         GPIO.setup(self.pin, GPIO.OUT, initial=GPIO.HIGH)
 
@@ -22,7 +20,6 @@ class Relay:
 
 if __name__ == '__main__':
     relay = Relay(12)
-    relay.setup()
     relay.turn_on()
     time.sleep(5)
     relay.turn_off()