Implement platform and ship movement types; refactor player movement logic and add switching mechanism

scripts/components/player_movement.gd

@@ -0,0 +1,17 @@
+class_name PlayerMovement
+extends Node
+
+@export var type: String = ""
+
+var enabled: bool              = true
+var previous_velocity: Vector2 = Vector2.ZERO
+
+
+func _process(_delta: float) -> void:
+	if not enabled:
+		return
+
+
+func _physics_process(_delta: float) -> void:
+	if not enabled:
+		return