Player controller; Changes to make composable componets.

[loteque]

• [x] not sure we need PickupShape2D; could use the hurtbox to simplify. (This is the playerchar2dcollision)
• [x] HealthComponent: remove took_damge callback, add to player controller
  • [x] Add health_component Export to player controller.
  • [x] add call health_component.damage to _on_hurt_box_took_damage in player controller
  • [x] save HealthComponent as scene
  • [x] assign HeathComponent to Player controller in player controller inspector panel
  • [x] connect died signal to playercontroller
• [x] hurtboxcomponent should be a reusable component
  • [x] save as scene
  • [x] remove and reassign in player controller Inspector panel
  • [x] reconnect signals to playercontroller in hurtbox Node panel
  • [x] on_damage_taken
  • [x] on_hurt_box_body_entered
• [x] CharacterSpriteComponent saved as a scene.
  • [x] reassign characterspritecomponent in playercontroller inspector
• [x] SoundComponent should be CharSoundComponent and given an explicit type, CharSoundComponent.
  • [x] add node CharSoundComponent to PlayerController via add scene instance.
  • [x] remove _on_hurt_box_took_damage add call to playercontroller.
  • [x] add Export char_sound_component to player controller.
  • [x] save soundcomponent node as scene.
  • [x] reassign SoundComponent in playercontroller inspector panel.
• [x] generally, the parent should have access to child.method and call the method in the signalcall. So, no signal callbacks in components.