Enhance README for clarity and correctness

[nickyzero]

Description

This pull request updates the readme.md to improve clarity, and provide more accurate examples for users.

Key changes:

• Corrects the descriptions for image alt text.
• Updates the table of contents to include additional examples.
• Improves the installation guide with better formatting and syntax highlighting.
• Enhances command-line examples with bash syntax highlighting and clearer instructions, especially for the -e exclude option.
• Refines the result and Docker sections for better readability.
• Fixes various minor formatting issues and removes trailing whitespace.

Type of change

Please insert 'x' one of the type of change.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Documentation update
• Refactoring, Maintenance
• Breaking change (fix or feature that would cause existing functionality to not work as expected)