refactor: make the 'endpoints' path optional in the librechat.yaml file

[badcom]

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Summary

Make the endpoints path of the librechat.yaml file optional (we discussing this on discord)

Change Type

Please delete any irrelevant options.

• Bug fix (non-breaking change which fixes an issue)

Testing

Add a librechat.yaml file to your project without the endpoints: path. The file must have at least the "version" and "cache" paths.

Test Configuration:

See above

Checklist

• My code adheres to this project's style guidelines
• I have performed a self-review of my own code
• I have commented in any complex areas of my code
• [] I have made pertinent documentation changes
• My changes do not introduce new warnings
• I have written tests demonstrating that my changes are effective or that my feature works
• Local unit tests pass with my changes
• Any changes dependent on mine have been merged and published in downstream modules.

[danny-avila]

Thanks, I'm closing this as handled in #1753