Added player and a basic test level

Entities/Player/player_state_scripts/ground_movement/idle_state.gd

@@ -0,0 +1,44 @@
+extends NodeState
+
+@export var player: Player
+@export var animatedSprite2D: AnimatedSprite2D
+
+@onready var friction = player.friction
+
+@warning_ignore("unused_parameter")
+func on_process(delta: float) -> void:
+	pass
+
+@warning_ignore("unused_parameter")
+func on_phyisics_process(delta: float) -> void:
+	player.velocity.x = move_toward(player.velocity.x, 0, friction * delta)
+	
+	
+	transition_states()
+
+func enter() -> void:
+	animatedSprite2D.play("Idle")
+
+func exit() -> void:
+	animatedSprite2D.stop()
+
+func transition_states() -> void:
+	#transitioning state
+	
+	#fall state
+	if !player.is_on_floor():
+		transition.emit("fall")
+	
+	#run state
+	var direction: float = GameInputEvents.movement_input()
+	
+	if direction and player.is_on_floor():
+		transition.emit("Run")
+	
+	#jump state
+	if GameInputEvents.jump_input():
+		transition.emit("jump")
+	
+	#shoot crouch state
+	if Input.is_action_pressed("crouch"):
+		transition.emit("CrouchIdle")