To regenerate the Wasm file:

* `wat.wasm` is generated from the [dfinity/examples/wasm/counter](https://github.com/dfinity/examples/tree/master/wasm/counter)
* `motoko.wasm` is generated from [dfinity/examples/motoko/counter](https://github.com/dfinity/examples/tree/master/motoko/counter)
* `rust.wasm` is generated from [dfinity/cdk-rs/examples/counter](https://github.com/dfinity/cdk-rs/tree/main/examples/counter/src/counter_rs)
* `classes.wasm` is generated from [dfinity/examples/motoko/classes](https://github.com/dfinity/examples/blob/master/motoko/classes/src/map/Map.mo)
