Adds lightning projectile

Implements a lightning projectile with visual effects.
The lightning is created using a series of bolt components that dynamically adjust their shape.
Also refactors the projectile system to use a base class.

Removes unused modifiers from player script.

assets/projectiles/components/bolt.gd

@@ -0,0 +1,51 @@
+extends Node2D
+
+var goal_point: Vector2 = Vector2(100, 100)
+var min_segment_size: float = 2
+var max_segment_size: float = 10
+var points: Array = []
+var emitting = true
+var final_goal: Vector2
+
+@export var angle_var: float = 15
+
+@onready var line: Line2D = $Line2D
+
+func _ready():
+	Log.pr("Bolt!")
+	line.width = 2
+	final_goal = goal_point - global_position
+	$Timer.start(randf_range(0.1, 0.5))
+
+func _on_timer_timeout():
+	Log.pr("Timer timeout")
+	if (points.size() > 0):
+		points.pop_front()
+		line.points = points
+			
+		#Small variation for more organic look:
+		$Timer.start(0.002 + randf_range(-0.001, 0.001))
+	elif (emitting):
+		update_points()
+		line.points = points
+		$Timer.start(0.1 + randf_range(-0.02, 0.1))
+	
+func update_points():
+	final_goal = goal_point - global_position
+	var curr_line_len = 0
+	points = [Vector2()]
+	var start_point = Vector2()
+	min_segment_size = max(Vector2().distance_to(final_goal) / 40, 1)
+	max_segment_size = min(Vector2().distance_to(final_goal) / 20, 10)
+	while (curr_line_len < Vector2().distance_to(final_goal)):
+		var move_vector = start_point.direction_to(final_goal) * randf_range(min_segment_size, max_segment_size)
+		var new_point = start_point + move_vector
+		var new_point_rotated = start_point + move_vector.rotated(deg_to_rad(randf_range(-angle_var, angle_var)))
+		points.append(new_point_rotated)
+		start_point = new_point
+		curr_line_len = start_point.length()
+		
+	points.append(final_goal)
+
+func set_line_width(amount):
+	line.width = amount