Add linters configuration

[Uzair-Manzoor]

This pull request has been created against below mentioned implementations into the project:

• Added configuration files for Babel, Stylelint, and ESLint to the project and fixed all the linter issues to ensure clean and bug-free code.
• Configured Babel for transpiling modern JavaScript to ensure compatibility with a wide range of environments.
• Configured Stylelint for enforcing consistent CSS/Sass code style and preventing CSS errors.
• Configured ESLint for identifying and reporting on patterns found in JavaScript code to maintain code quality and consistency.
• Executed Babel, Stylelint, and ESLint across the codebase to identify and rectify all code issues.
• Resolved all reported linter issues to ensure the code is clean, adheres to the configured coding standards, and is free of bugs.

Ensured consistent code style across the project.
Prevented potential bugs and errors by enforcing coding standards.
Improved code readability and maintainability.
Facilitated easier code reviews and collaboration.