feat : "updated schemas" (#3)

* refactor: consolidate and update schema definitions, remove unused schemas

* refactor: remove unused comments and clean up schema definitions

* refactor: update Visitor schema to include detailed fields and replace icon

* refactor: enhance Staff schema with detailed fields and add Profile schema

* refactor: enhance Senate schema with detailed fields and add Profile schema

* refactor: enhance Former schema with detailed fields and remove redundant Profile schema

* refactor: enhance schema definitions for BoardOfGovernor, ChairPerson, Former, Senate, Staff, and Visitor with detailed profile fields

* refactor: enhance About, Academics, Admission, CommonSchema, Former, and index schemas with detailed fields and remove unused linkStructure

* refactor: remove Academics schema and introduce detailed CSE, ECE, and DSAI schemas with credit structures

* refactor: remove individual credit schemas and consolidate into a unified Credit schema with detailed course structure

* refactor: introduce CreditIdInput component for generating IDs based on faculty names

* changes made