Fix ctx deadlines, throttle requests to agency, fix re-initializaion (#8

)

Throttle leader election update, fix leader restart scenario (#7)

* Throttle leader election update

* Handle leader restart scenario properly

* fix warnings

Add driver v1 adapter for LeaderDiscovery interface (#6)

* Add driver v1 adapter for LeaderDiscovery interface

Add helper function to leader election for retrieving conditions (#5)

Do not use fixed agency client (#4)

Do not return error if resign failed because of precondition (#3)

Add leader election and agency Lock implementation (#2)

Move conn, nctx and some tests code from operator (#1)

Move conn, nctx and some tests code from operator
Remove unused code, bump yaml