Merge pull request #1 from nikgraf/patch-1

Update README.md

Author: xtuc

README.md

@@ -17,3 +17,13 @@ node --experimental-modules --loader @wasm-tool/node index.mjs
 ```
 
 See [example](https://github.com/wasm-tool/node-loader/tree/master/example).
+
+## Development
+
+In order to test any changes you can clone this repository and run the example locally
+
+```sh
+npm install
+cd example
+node --experimental-modules --loader ../loader.mjs index.mjs
+```