chore(fix): ensure that start.sh only runs cluster in background and server in foreground

[wax911]

AniTrend Pull Request

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Description

This would effectively prevent the container from shutting down prematurely when it has nothing is in the foreground

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Enhancement (Improves existing functionality)

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