Merge pull request #92 from samchon/feat/event

Close #90: add `Communicator.on()` message with event types.

Merge pull request #86 from samchon/feature/ping

New function `WebSocketAcceptor.ping()`

Merge pull request #85 from samchon/features/error

Uniform error pattern.

Merge pull request #82 from samchon/features/stdio

Add `stdio` property on `WorkerConnector`

Make README logo transparent

Merge pull request #67 from samchon/features/props

Add new generic argument. `Remote`.

Merge pull request #66 from samchon/features/acceptor

`WebAcceptor.upgrade()` for 3rd party libraries.

Merge pull request #65 from samchon/features/global

Fix `NodeModule.process()` again for https://esm.sh bundling

Merge pull request #62 from samchon/features/worker

Publish both CJS and ESM

Merge pull request #58 from samchon/features/refactoring

Namespace refactoring.