switch to wasm-bindgen

README

@@ -0,0 +1,18 @@
+To build and use this:
+
+1. Install wasm-pack (if you haven't already):
+   ```bash
+   curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
+   ```
+   
+2. Build the WASM module: 
+   ```bash
+   wasm-pack build --target web --out-dir pkg
+   ```
+   
+3. Serve the HTML file using a local HTTP server (required for ES modules): 
+   ```bash
+   python3 -m http.server 8000
+   # or
+   npx serve .
+   ```