Draft implementation of streaming range request

[serathius]

Achieves better latecy and memory usage.

Tested using

go run ./tools/benchmark/ put --total 10000 --val-size 100000
go run ./tools/benchmark/ range 00000000 zzzzzzzz --total 50 --clients 5 --stream

Type	Memory [GiB]	Latency 50%ile	Latency 90%ile	Latency 95%ile
Base	1.0
NoStream	19.1	5.32	8.78	9.3
Stream Limit=100	1.3	5.3	5.48	5.5
Stream Limit based on Size	1.1	6.05	6.14	6.14

[k8s-ci-robot]

Skipping CI for Draft Pull Request.
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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: serathius

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[serathius]

Previous draft #12343