add documentation for coordinator dynamic configuration (#11052)
add documentation for coordinator dynamic configuration (#11052)


nishantmonu51/druid,monetate/druid,monetate/druid,mghosh4/druid,mghosh4/druid,nishantmonu51/druid,nishantmonu51/druid,monetate/druid,druid-io/druid,druid-io/druid,mghosh4/druid,druid-io/druid,nishantmonu51/druid,monetate/druid,nishantmonu51/druid,nishantmonu51/druid,mghosh4/druid,monetate/druid,druid-io/druid,monetate/druid,nishantmonu51/druid,mghosh4/druid,druid-io/druid,mghosh4/druid,monetate/druid,mghosh4/druid