[REQUEST] Add the best practice rules to eslint config

[Twaha-Rahman]

Is your feature request related to a problem? Please describe.

Currently there's a lot of loopholes to write bad code due to ESLint not linting them.

Describe the solution you would like

Add the best practice rules to eslint config.

[Twaha-Rahman]

@snowteamer I can use some help from as this is one of your expertise.....

[snowteamer]

As a first step, we could enable the recommended ESLint rules besides Prettier's.