Updates CAD instructions for migrating to mainnet

[kaw2k]

Description

Update wording for migrating to mainnet for CAD

Checklist

• Do all Lints pass?
  • [ ] Have you ran pnpm spellcheck?
  • I ran this, there were quite a bit of misspellings
  • [ ] Have you ran pnpm fmt?
  • This changed files unrelated to my PR, so I ommited the changes.
  • [ ] Have you ran pnpm lint?

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Name	Status	Preview	Comments	Updated (UTC)
developer-docs-nextra	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 24, 2024 9:37pm

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