develop: add "formerly Serverless" for Starter

[lilin90]

What is changed, added or deleted? (Required)

This PR adds legacy name reference for "Starter".

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• Delete files
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[LGTM Timeline notifier]

Timeline:

• 2025-07-10 09:45:20.627227526 +0000 UTC m=+2165773.350406509: ☑️ agreed by qiancai.