Site is moved to governance.vega.xyz (and governance.fairground.wtf .... all environments)

[ckpringle]

The Chore

Should do this when Alpha mainnet is launched

What we need to achieve and who for

Tasks

• [ ] Site is available at governance.vega.xyz
• [ ] The site at token.vega redirects to governance.vega.xyz/token
• [ ] Site name is changed to "Vega Governance"
• [ ] All variations of URLs
• [ ] Redirects from token.vega.xyz URLs to the relevant governance.vega.xyz URLs

Additional details / background info

Epic https://github.com/vegaprotocol/frontend-monorepo/issues/2070