low: proposal pool syntax

[Slava Bereza]

const a = pool(async () => {});

a.single()
a.debounce(300)
a.throttle()

// or

a.pipe.single()
a.pipe.debounce(300)

a.pipe( ... ) // what is It?

and for values and signals

const a = value(0);

a.pool.debounce(100) // what is it?

[Slava Bereza]

Added to "the stream of conciseness 0.7+ roadmap"