## I have read the CONTRIBUTING.md file.
YES
## What kind of change does this PR introduce?
Docs update
## What is the current behavior?
- The React quickstart example does not handle errors when fetching
data.
- The local development guide uses inconsistent capitalization for
"docker".
## What is the new behavior?
- Adds basic error handling (`error` check) in the React quickstart
example to improve reliability.
- Fixes capitalization from "docker" → "Docker" for consistency with
official naming.
## Additional context
These are small improvements to enhance clarity and developer experience
in the docs.
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Documentation**
* Enhanced React quickstart guide with error handling for database
queries to prevent invalid data processing
* Corrected capitalization in local development guide
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Andrey A.