Making helpful resource site - what's good templates for this?

screenshot on left side

link + explanation on right side

only 1 of the helpful sites would show up at once

press right arrow -> to go to next helpful site

guess google slides or other things would be better for this?

1. what are the steps?

2. does it do it by default?

3. is there a helpful template for this?

There are several slider or carousel options for SS. But, if you are doing a presentation-style, perhaps Slides or PPT is better? You can also easily design inside Canva. 

looking for fullscreen or near fullscreen template for this

what are the main options?