docs(forkJoin): fix example
MODIFY
src/internal/observable/forkJoin.ts
src/internal/observable/forkJoin.ts
@@ -110,7 +110,7 @@ export function forkJoin<T>(...sources: ObservableInput<T>[]): Observable<T[]>;
* ### Use forkJoin with project function
* ```javascript
* import { forkJoin, interval } from 'rxjs';
- * import { take } from 'rxjs/operators';
+ * import { map, take } from 'rxjs/operators';
*
* const observable = forkJoin(
* interval(1000).pipe(take(3)), // emit 0, 1, 2 every second and complete

docs(forkJoin): fix example (#4628)