Documentation: Add Vale linter for doc quality checks

[Ayush9026]

Is your feature request related to a problem? Please describe.

The Vale Linter (natural language linter) implements spell check and other basic rules.

Describe the solution you'd like

1.Integrate a natural language linter like Vale into the documentation workflow.
2.Implement spell check and grammar rules to ensure consistent language usage across all documentation pages.
3.Define style libraries and extension points within the linter to enforce project-specific writing guidelines and conventions.
4.Configure the linter to check for common writing errors, improve readability, and suggest enhancements for technical content.
5.Provide guidelines and documentation on how contributors can use the linter during the documentation writing and review process.

Describe alternatives you've considered

N/A

Additional context

Benefits:

1. Improved documentation quality with consistent spelling, grammar, and style.

2. Enhanced readability and understanding of technical content for users and contributors.

3. Facilitates collaboration by establishing clear writing standards and guidelines.

4. Supports the long-term maintainability and scalability of the documentation.