Fix config and google login issue

[vinit717]

Issue Description

The main file still uses the OS instead of config and the Google credentials are correctly added on auth controller so we need to fix this

Screenshots

N/A

Reproducibility

• This issue is reproducible
• This issue is not reproducible

Steps to Reproduce

1. Make a POST request to the /create-tinyurl endpoint with valid data.
2. Observe the response, which does not include the URL count.

Severity/Priority

• Critical
• High
• Medium
• Low

Additional Information

Including the URL count in the response can improve user experience by making them aware of their current usage and helping them manage their URL quota more effectively.

Checklist

• I have read and followed the project's code of conduct.
• I have searched for similar issues before creating this one.
• I have provided all the necessary information to understand and reproduce the issue.
• I am willing to contribute to the resolution of this issue.

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