Coin + Countdown Timer

Added a coin for player to pick up and a countdown timer

Countdown.gd

@@ -0,0 +1,27 @@
+extends Control
+
+export (int) var minutes =0
+export (int) var seconds = 0
+var dsec = 0
+
+func _physics_process(delta: float) -> void:
+	if seconds > 0 and dsec <= 0:
+		seconds -=1
+		dsec = 10
+	if minutes > 0 and seconds <= 0:
+		minutes -= 1
+		seconds = 60
+		
+	if seconds >= 10:
+		$sec.set_text(str(seconds))
+	else:
+		$sec.set_text("0"+str(seconds))
+		
+	if dsec >=10:
+		$dsec.set_text(str(dsec))
+	else:
+		$dsec.set_text("0" + str(dsec))
+
+func _on_Timer_timeout() -> void:
+	dsec-=1
+	pass # Replace with function body.