Add federation sync configuration SQL table and RPC endpoints #1445

Job	Run time
Docker build check	5m 5s
Compilation check	36s
Format check	26s
cross compilation	4m 32s
run itests	5m 37s
run itests postgres	8m 18s
Lint check	2m 44s
go mod check	42s
RPC check	1m 40s
Sqlc check	36s
test vector check	1m 22s
run unit tests (unit-race)	6m 2s
run unit tests (unit-cover)	2m 10s
run unit tests (unit dbbackend=postgres)	4m 45s
	44m 35s

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