Storybook: Add stories for BlockAlignmentMatrixControl Component

[Sukhendu2002]

Part of #67165

What?

This PR will add stories for BlockAlignmentMatrixControl component in the Storybook.

Testing Instructions

1. Run npm run storybook:dev
2. Open the storybook on http://localhost:50240/
3. Check the BlockAlignmentMatrixControl stories.

Screenshots or screencast

[github-actions]

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Co-authored-by: Sukhendu2002 <[email protected]>
Co-authored-by: ciampo <[email protected]>

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[ciampo]

Thank you for the ping. We @WordPress/gutenberg-components will try to get to reviewing this soon, but in the meantime I'll add a few more folks in case they have capacity for a first round of review before us.