Add StreamableHttpHandler and WithHttpTransport (#291) #38

Job	Run time
build (ubuntu-latest, Debug)	3m 45s
build (ubuntu-latest, Release)	4m 1s
build (macos-latest, Release)	1m 45s
build (windows-latest, Debug)	5m 51s
build (windows-latest, Release)	5m 39s
build (macos-latest, Debug)	1m 20s
publish-coverage / publish-coverage	33s
	22m 54s

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