Missing image for forkJoin and skipLast

[gabrielnemeth]

Documentation Related To Component:

forkJoin skipLast

Please check those that apply

• [ ] typo
• [ ] documentation doesn't exist
• [ ] documentation needs clarification
• [ ] error(s) in example
• [ ] needs example

Description Of The Issue

There are missing 2 marble diagrams for forkJoin and skipLast. http://reactivex.io/rxjs/class/es6/Observable.js~Observable.html#static-method-forkJoin http://reactivex.io/rxjs/class/es6/Observable.js~Observable.html#instance-method-skipLast

[ladyleet]

Ccing in @JWO719 - was this included in the new documentation at all? @gabrielnemeth if you'd like to submit a PR for this as well, feel free to! :)

[niklas-wortmann]

I am really not sure. But I'll check that. Thanks for pointing

[martinsik]

I checked docs_app in the current master and both operators do have images.

[niklas-wortmann]

thanks @martinsik for checking!