docs: use console bootstrap admin command

[LioRael]

Summary

• replace the first production Console admin SQL seed with lenso console bootstrap-admin
• point production access docs at the CLI bootstrap path

Checks

• git diff --check
• rg -n "insert into config\.setting_values|seed the value|Seed the first|seed.*auth\.console_admin_user_scopes" -S README.md docs --glob '!docs/superpowers/archive/**' --glob '!docs/superpowers/plans/**'

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Latest commit: e789d61

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