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## What this PR does
### Release note
<!-- Write a release note:
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```release-note
[docs] Fixed docs for managed apps
```
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## Summary by CodeRabbit
## Documentation
* Updated FoundationDB README title to "Managed FoundationDB Service"
* Improved Harbor README text formatting for consistency
* Corrected spelling and terminology errors in MariaDB README
* Enhanced MariaDB recovery documentation with additional command
example
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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