docs: fix the linters for the version3

[pratik-mahalle]

Overview This PR addresses and resolves Vale linting issues present in the documentation for version 3. All Vale-detected warnings and errors have been reviewed and corrected to ensure our documentation meets our style and quality standards.

Changes Made

1. Ran Vale against all docs in the version3 directory.
2. Fixed grammar, style, and formatting issues flagged by Vale.
3. Updated or added Vale configuration if required for version3-specific content.
4. Verified that all updated files pass Vale linting with no errors or warnings.

[keploy[bot]]

No significant changes currently retry

[pratik-mahalle]

Npm build is also successful

[Achanandhi-M]

Please fix the DCO and conflicts issues @pratik-mahalle

[pratik-mahalle]

Hey @Achanandhi-M, I have signed the dco and also did the rebase. Please check it!