feat: add Tic Tac Toe game implementation

[Devansh-Rawat-gamedev]

• Implements classic Tic Tac Toe for two players
• Includes win detection, draw conditions, and input validation
• Follows C++17 standard and repository coding conventions
• Self-contained single file implementation

Description of Change

Adds a complete implementation of the classic Tic Tac Toe game to the games/ directory.

Features:

• Two-player turn-based gameplay (X and O)
• 3x3 game board with position references
• Win condition detection (rows, columns, diagonals)
• Draw/tie detection
• Input validation and error handling
• Option to play again
• Cross-platform compatibility with proper sleep function

Technical Details:

• Follows C++17 standard with no external dependencies
• Uses object-oriented design with TicTacToeGame class
• Implements repository coding conventions and documentation style
• Self-contained single file implementation
• Includes comprehensive Doxygen documentation

Checklist

• Added description of change
• Added file name matches File name guidelines
• Added tests and example, test must pass
• Added documentation so that the program is self-explanatory and educational - Doxygen guidelines
• Relevant documentation/comments is changed or added
• PR title follows semantic commit guidelines
• Search previous suggestions before making a new one, as yours may be a duplicate.
• I acknowledge that all my contributions will be made under the project's license.

Notes: This is an interactive console-based implementation of Tic Tac Toe designed for educational purposes. The game demonstrates basic game logic, state management, and user input handling in C++.

[Devansh-Rawat-gamedev]

I am new to this whole open source thingy please help me out if you think i did something wrong