3.6: Carousel Custom content example
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**Primary Actor**: User

**Scope**: Ngx-bootstrap DEMO / BS version 3&4

**Goal**: Show user carousel example with custom content

Main success scenario:
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1. User open Carousel demo page
2. User click on Custom content sub-menu
3. User see carousel component with 3 slides and 2 arrows: left, right
4. User see info in each carousel slide: headers, info
5. When user click on left arrow - previous slide shown
6. When user click on right arrow - next slide shown

Variations:
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2*. User scroll to Custom content sub-menu