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/dog.gd

@@ -1,19 +1,19 @@
 extends Node2D
 class_name Dog
 
-@onready var death_box = $DeathBox
-@onready var outline = $AreaHighlight
+@onready var death_box : Area2D = $DeathBox
+@onready var outline : Sprite2D = $AreaHighlight
 
-var acquired_target : Bee = null 
+var acquired_target : Node2D = null 
 var target_timer : float = 0.0
 @export var distracted : bool = false
 var distracted_by : Node2D = null
 
-func _ready():
+func _ready() -> void:
 	death_box.connect("body_entered", Callable(self, "_on_body_entered"))
 	death_box.connect("body_exited", Callable(self, "_on_body_exited"))
 
-func _process(delta):
+func _process(delta : float) -> void:
 	if acquired_target:
 		target_timer += delta
 
@@ -32,14 +32,14 @@ func _process(delta):
 		# Look around
 		rotation = lerp_angle(rotation, rotation + get_angle_to(distracted_by.global_position), 0.5)
 
-func show_outline():
+func show_outline() -> void:
 	outline.visible = true
 
-func hide_outline():
+func hide_outline() -> void:
 	outline.visible = false	
 
 
-func _on_body_entered(area):
+func _on_body_entered(area : Node2D) -> void:
 	if area.is_in_group("bee") and distracted == false:
 		if !acquired_target:
 			Log.pr("Acquired target")
@@ -52,7 +52,7 @@ func _on_body_entered(area):
 		distracted = true
 		distracted_by = area
 
-func _on_body_exited(area):
+func _on_body_exited(area : Node2D) -> void:
 	if area == acquired_target:
 		Log.pr("Lost target")
 		acquired_target = null