Added 8 Puzzle Solver

[umairkarel]

Issue Name: Added 8 Puzzle Solver closes: #189

• [x] Hacktoberfest2021 Participant
• [x] Contributor

Description

• Added Python Program to solve 8 puzzle game
• Added Readme

Type of Change

• [x] New feature (non-breaking change which adds functionality)

Checklist:

• [x] My code follows the guidelines of this project.
• [x] I have performed a self-review of my own code.
• [x] I have commented my code, particularly whereever it was hard to understand.
• [x] I have made corresponding changes to the documentation.
• [x] My changes generate no new warnings.
• [x] I have added test case that prove my fix is effective or that my feature works.

[welcome[bot]]

Hello there! 👋 Welcome to the project! 💖 Thank you and congrats 🎉 for opening your first pull request. Please adhere to our Code of Conduct. 🙌🏻 We will get back to you as soon as we can. 😄

Feel free to get in touch with me through social media handles. Hope to see you there!😄

[prathimacode-hub]

Add PR template along with details and issue number to review your PR. @umairkarel

[SanjanaSogimatt]

Hey there, I would like to work on this project. It would be really great if I am able to help you with this project and would be a great experience for me as I am new to open source.

[prathimacode-hub]

Hey there, I would like to work on this project. It would be really great if I am able to help you with this project and would be a great experience for me as I am new to open source.

This is PR. Not an issue section. Go to issues and create an issue of your choice to get it assigned to you. @SanjanaSogimatt

[prathimacode-hub]

Kindly work on the requested changes. @umairkarel

[prathimacode-hub]

Update please? @umairkarel