Add federation sync configuration SQL table and RPC endpoints #1452

Job	Run time
cross compilation	14m 36s
Compilation check	47s
Format check	38s
Docker build check	4m 7s
run itests	7m 21s
run itests postgres	10m 21s
Lint check	3m 55s
go mod check	39s
RPC check	1m 26s
Sqlc check	36s
test vector check	1m 43s
run unit tests (unit-race)	6m 53s
run unit tests (unit-cover)	4m 44s
run unit tests (unit dbbackend=postgres)	4m 33s
	1h 2m 19s

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