Remove serde from Bezier-rs web demos to reduce Wasm size

website/other/bezier-rs-demos/wasm/src/utils.rs

@@ -1,4 +1,7 @@
 use bezier_rs::{Cap, Join};
+use glam::DVec2;
+use js_sys::Array;
+use wasm_bindgen::{JsCast, JsValue};
 
 pub fn parse_join(join: i32, miter_limit: f64) -> Join {
 	match join {
@@ -17,3 +20,10 @@ pub fn parse_cap(cap: i32) -> Cap {
 		_ => panic!("Unexpected Cap value: '{cap}'"),
 	}
 }
+
+pub fn parse_point(js_point: &JsValue) -> DVec2 {
+	let point = js_point.to_owned().dyn_into::<Array>().unwrap();
+	let x = point.get(0).as_f64().unwrap();
+	let y = point.get(1).as_f64().unwrap();
+	DVec2::new(x, y)
+}