Create demos for DataList

[mcarrano]

Replicate core demos for DataList here as React demos to have parity: https://staging.patternfly.org/v4/components/data-list/html-demos

Demos include

• DataList - implement full page Basic demo to match HTML #8982
• chore(DataList): added Actionable demo #11402
• chore(DataList): added bottom static pagination demo #11403

*Note: Please add issues as you pick up tasking

[stale]

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[tlabaj]

@mcarrano can this one be added to the roadmap please?