Add Keyword Substitution Cipher

[karan-chaos]

Description:
Implement a monoalphabetic keyword substitution cipher using a generated keyed alphabet.

Requirements:

Generate a unique 26-letter keyed alphabet from a keyword
Support encryption and decryption
Add substitution table visualization
Add instrumented step-by-step execution
Register the cipher in the existing system
Handle edge cases and invalid inputs
Add comprehensive unit tests

[karan-chaos]

/claim

[github-actions]

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[github-actions]

🎉 Issue Assigned

Hi @karan-chaos, this issue has been assigned to you. You have 3 days to work on it before it may be unassigned if no progress is made.

Thank you for your interest in contributing to the CryptoViz project. We appreciate your willingness to contribute and look forward to your work on this issue.

Before you begin

• Sync your fork with the latest main branch
• Pull the latest changes
• Create a new feature branch
• Implement the requested changes
• Test your implementation thoroughly
• Ensure all linting and build checks pass
• Reference this issue in your Pull Request

Keeping your fork up to date with the latest main branch before creating a feature branch helps minimize merge conflicts and streamlines the review process.

If you have any questions or need clarification while working on the issue, feel free to ask. We look forward to reviewing your contribution.