chore: 📝 update docs Prysm domain to prysm.offchainlabs.com

[victorelec14]

Description

Updated all documentation URLs from https://docs.prylabs.network/docs to https://prysm.offchainlabs.com/docs and new urls paths.

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Lighthouse	7 paths audited Performance: 37 (🔴 down 7 from production) Accessibility: 96 (🟢 up 1 from production) Best Practices: 92 (🔴 down 8 from production) SEO: 92 (no change from production) PWA: 59 (no change from production) View the detailed breakdown and full score reports

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[corwintines]

Thanks @victorelec14

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