feat: add MV banner

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit 73ba4c0):

https://apps-staking--pr228-feat-add-mv-banner-44ubpu0c.web.app

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[github-actions[bot]]

:rocket: Deploy governance app on https://apps-staking--pr228-feat-add-mv-banner-44ubpu0c.web.app

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit 73ba4c0):

https://apps-protocol-af0f6--pr228-feat-add-mv-banner-d9r5gcb1.web.app

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[github-actions[bot]]

:rocket: Deploy protocol app on https://apps-protocol-af0f6--pr228-feat-add-mv-banner-d9r5gcb1.web.app