Implemented cancel building functionality

infrastructure/node.odin

@@ -13,7 +13,7 @@ Node :: struct {
 	roads: [dynamic]u32,
 }
 
-// Node Initialisation
+// Constructor
 node_init :: proc(new_pos: rl.Vector2) -> Node {
 	return {
 		enabled = true,
@@ -22,6 +22,11 @@ node_init :: proc(new_pos: rl.Vector2) -> Node {
 	}
 }
 
+// Destructor
+node_deinit :: proc(self: ^Node) {
+	delete(self.roads)
+}
+
 // Returns whether passed pos(ition) is within this node's snapping radius
 node_within_snapping_radius :: proc(self: ^Node, pos: rl.Vector2) -> bool {
 	return rl.CheckCollisionPointCircle(