feat: add Arithmetic Operations, Even or Odd Sum, Odd Number Checker, Basic Logic Functions

[ONEONUORA]

This PR address this features

1. Arithmetic Operations

• Subtraction: performs subtraction of two numbers.
• Multiplication: performs multiplication of two numbers.
• Division: performs division of two numbers (ensure handling of division by zero).

2. Even or Odd Sum

• Implement a function that takes two arguments, computes their sum, and determines whether the sum is even or odd.

3. Odd Number Checker

• Implement a function that checks if a given number is odd.

4. Basic Logic Functions

• Number Sign Checker: Implement a function to check if a number is positive, negative, or zero.
• Maximum of Two Numbers: Implement a function to return the maximum of two numbers.