Feature Request: Add YAML Config Parser

[himakhaitan]

Feature Description

Introduce a YAML config parser for centralized configuration management.

• Load config from config.yaml and env vars.
• Merge with CLI flag overrides.
• Use Uber's config package for parsing configs
• Different files for overrides based on environment.

[Shrinidhi9483]

Hi, I'd like to work on this issue, can you please assign this to me

[himakhaitan]

Hey @Shrinidhi9483 I have assigned this to you!