Add mobile slide variant for cards

[rrusher]

Added mobile-slide class that scrolls the cards horizontally. At 600px and above, there are no changes. At 599px or lower, the cards slide.

Fix #209

Test URLs:

• Before: https://main--hsf-commonmoves--hlxsites.hlx.page/
• After: https://209-card-slide--hsf-commonmoves--hlxsites.hlx.page/

[aem-code-sync[bot]]

Hello, I'm the AEM Code Sync Bot and I will run some actions to deploy your branch and validate page speed. In case there are problems, just click a checkbox below to rerun the respective action.

• [ ] Re-run PSI checks
• [ ] Re-sync branch

Commits

* [4ac6694](https://github.com/hlxsites/hsf-commonmoves/commit/4ac6694af99c2c73f1546940c0eec6fa4c9b7d50) :white_check_mark: (latest) * [5baa560](https://github.com/hlxsites/hsf-commonmoves/commit/5baa56094ae27d82615d4b9a45cea59ad0e0af5a) :white_check_mark: * [371cbce](https://github.com/hlxsites/hsf-commonmoves/commit/371cbceb7379840d748432a166acbe6c3e507123) :white_check_mark: * [99cf2ee](https://github.com/hlxsites/hsf-commonmoves/commit/99cf2ee2af9563b266488107d30c4458a736307a) :white_check_mark:

[aem-code-sync[bot]]

Page	Scores	Audits	Google
/