Updated Flux functions documentation (#15089)
Updated Flux functions documentation (#15089)

* updated flux functions documentation
* removed unnecessary newline in fluxFunctions.ts

nooproblem/influxdb,influxdata/influxdb,mark-rushakoff/influxdb,nooproblem/influxdb,mark-rushakoff/influxdb,influxdb/influxdb,influxdb/influxdb,mark-rushakoff/influxdb,nooproblem/influxdb,li-ang/influxdb,influxdb/influxdb,mark-rushakoff/influxdb,nooproblem/influxdb,li-ang/influxdb,influxdb/influxdb,influxdb/influxdb,mark-rushakoff/influxdb,mark-rushakoff/influxdb,nooproblem/influxdb,influxdb/influxdb,influxdata/influxdb