chore: add vscode workspace settings

[nazarhussain]

Motivation

Share goodies with all the team.

Description

• As per VSCode .vscode/settings.json file is the only way to share single root workspace settings among team.
• If any team member been using some good settings, would be nice to share with others

Steps to test or reproduce

• Run all tests

Additional Notes

From the VSCode

VS Code stores workspace settings at the root of the project in a .vscode folder. This makes it easy to share settings with others in a version-controlled (for example, Git) project.