feat: remove MV button, add footer link

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Visit the preview URL for this PR (updated for commit 68b2062):

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:rocket: Deploy governance app on https://apps-staking--pr236-feat-remove-mv-banne-iqq8ht4m.web.app

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Visit the preview URL for this PR (updated for commit 68b2062):

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[github-actions[bot]]

:rocket: Deploy protocol app on https://apps-protocol-af0f6--pr236-feat-remove-mv-banne-nwz1epdm.web.app