feat: Add FDv2 Streaming Synchronizer #212

Job	Run time
test-packaging	3m 52s
test-contract-tests	3m 10s
test-platforms-and-versions (ubuntu-latest, 8)	2m 36s
test-platforms-and-versions (ubuntu-latest, 17)	2m 47s
test-platforms-and-versions (ubuntu-latest, 11)	2m 47s
test-platforms-and-versions (ubuntu-latest, 19)	2m 38s
	17m 50s

Provide feedback