Add federation sync configuration SQL table and RPC endpoints #1443

Job	Run time
Docker build check	4m 22s
Compilation check	41s
Format check	38s
cross compilation	4m 34s
run itests	5m 26s
run itests postgres	9m 15s
Lint check	2m 46s
go mod check	39s
RPC check	1m 52s
Sqlc check	28s
test vector check	1m 6s
run unit tests (unit-race)	5m 50s
run unit tests (unit-cover)	2m 6s
run unit tests (unit dbbackend=postgres)	3m 46s
	43m 29s

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