docs($browser): Created examples for using switchAll operator (#4242)
docs($browser): Created examples for using switchAll operator (#4242)

* docs($browser): Created examples for using switchAll operator

Added description for switchAll, 2 ecamples of how to use it and related operators

4009

* docs($browser): Improved description.

* docs($browser): Added output to examples.

* Update doc text and narrow example down to one

* docs($browser):  Removed trailing whitespaces.

* fix($browser): removed monotypeoperator from switchAll since it is no longer required.

benlesh/RxJS,ReactiveX/rxjs,kwonoj/RxJS,benlesh/RxJS,martinsik/rxjs,ReactiveX/RxJS,kwonoj/RxJS,trxcllnt/RxJS,ReactiveX/rxjs,benlesh/RxJS,ReactiveX/rxjs,ReactiveX/RxJS,trxcllnt/RxJS,ReactiveX/RxJS,kwonoj/RxJS,kwonoj/RxJS,Brocco/RxJS,trxcllnt/RxJS,Brocco/RxJS,martinsik/rxjs,Brocco/RxJS,trxcllnt/RxJS,martinsik/rxjs,ReactiveX/RxJS,ReactiveX/rxjs,Brocco/RxJS,martinsik/rxjs,benlesh/RxJS