v0.4.0

Introduces a new API for V an JS interoperability

Example:

// v0.3
fn my_v_func(event_id &char, raw_args &char, mut app App) {
  hello_from_js_arg := json.decode([]string, unsafe { raw_args.vstring() }) or { return }[0]
  app.w.result(event_id, .value, json.encode(hello_from_js_arg + ' Hello back from V!'))
}

// v0.4
fn my_v_func(e &webview.Event) {
  hello_from_js_arg := e.string(0)
  e.@return(hello_from_js_arg + ' Hello back from V!')
}

The goal of this release is to extend the libraries capabilities and make it simpler to use.
Examples are updated and simplified as well as the documentation is updated to reflect the usage.