feat: Iterative deepening search algo

[sushskvnitn]

Description of Change

This implementation introduces a simplified version of the 8-tile puzzle solver using Iterative Deepening Search. The code has been streamlined to improve clarity and maintainability, while ensuring it remains educational and easy to understand. Unnecessary functions have been removed, and the focus is placed on essential components of the algorithm.

Checklist

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

Notes: This implementation introduces a simplified version of the 8-tile puzzle solver using Iterative Deepening Search, enhancing clarity and maintainability while ensuring it remains educational.