Add CLI support for terminal-based translation

[skytin1004]

Solved #9

Add CLI support for terminal-based translation and resolve image link update issues

This pull request addresses the following:

• Implemented CLI support for terminal-based translation, allowing users to translate markdown files and images directly from the command line. (#5)
• Refactored ProjectTranslator and utility functions for improved modularity and maintainability.
• Separated hash code generation into its own function for better code clarity and reusability.
• Fixed image link update issues in markdown translation.
• Completed testing of the markdown-image translation feature, ensuring that both markdown files and their associated images are properly translated and linked.
• Fixed typos and added project disclaimers.
• Refactored the markdown translation process for better performance and readability.

[skytin1004]

I have reviewed the changes myself and everything looks good to me

[timothycdc]

Thanks