Refactor: Added explicit typing and void return types

- Introduced explicit typing to variables and functions across multiple scripts for better code clarity.
- Specified 'void' as the return type for functions that do not return a value.
- Removed redundant code in some scripts.

scenes/scripts/transition_scene.gd

@@ -2,14 +2,14 @@ extends CanvasLayer
 
 signal transitioned
 
-func _ready():
+func _ready() -> void:
 	$AnimationPlayer.play("fade_to_normal")
 
-func transition():
+func transition() -> void:
 	$AnimationPlayer.play("fade_to_black")
 	Log.pr("Fading to black")
 
-func _on_animation_player_animation_finished(anim_name:StringName):
+func _on_animation_player_animation_finished(anim_name : StringName) -> void:
 	if anim_name == "fade_to_black":
 		Log.pr("Sending transitioned signal...")
 		emit_signal("transitioned")