refactor: improve config

[sarthakgupta072]

Description

These are refactoring changes that only improve the readability of config and make it for a user to easily configure this service.

Fixes #41

Type of change

Please delete options that are not relevant.

• Refactoring change

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I have not reduced the existing code coverage
• I have added docstrings following the Python style guidelines of this project to all new modules, classes, methods and functions are documented with docstrings following; I have updated any previously existing docstrings, if applicable
• I have updated any sections of the app's documentation that are affected by the proposed changes, if applicable