Default 404 page with available routes for dev mode

Create generic dev mode to enable dev only features

Add datastar attributes and signals templating support

Basic client ops wrapping java client

Split into multiple modules

Race condition when interrupting `Queue#take` can cause items to disappear

ZStreams buffer(1) is buffering 2.

improved `Queue` shutdown functionality

ZScheduler parks+unparks workers too frequently

Can Fiber(Runtime) and Promise be merged?