Bugfix/issue 138 request validation

[dsmabulage]

Purpose

The purpose of this PR is to fix #138

Goals

Add request validations via schema library to maintain consistent API parameters.

Approach

Add Zod lib to schema validation
validation is done in the middleware level

Screenshots

Checklist

• This PR doesn't commit any keys, passwords, tokens, usernames, or other secrets.
• I have read and understood the development best practices guidelines ( http://bit.ly/sef-best-practices )
• 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
• I have made corresponding changes to the documentation

Related PRs

Test environment

Learning

[dileepainivossl]

@anjula-sack comments resolved

[anjula-sack]

Good job! @dsmabulage