refactor: clean up README formatting and improve language consistency

[sanajitjana]

• What I did
  Updated the README to correct typos, improve formatting, and clarify instructions.

• How to verify it
  Open the README in the repository and review the updated text and formatting changes.

• Description for the changelog
  Docs: improved README clarity and fixed minor typos

[ghost]

PR Summary

This pull request focuses on editorial improvements to the documentation, specifically the README.md file. The changes enhance clarity, correct typos, and improve formatting consistency. No code or functional changes are included, and there are no security implications.

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Changed Files

README.md

• Removed extra blank lines and
  tags for cleaner formatting.
• Updated the language list in the "About" section to correct the casing of "JavaScript" and fix spacing.
• Corrected "CI /CD mats" to "CI/CD mats".
• Reformatted the "Requirements" section to use a heading for Docker instead of a bullet point for consistency.
• Fixed a grammatical error: changed "Our web services was moved" to "Our web services were moved".
• Improved readability in the features list: changed "see all CLI available resources" to "see all available CLI resources".
• Clarified a sentence in the DCO section and corrected the example signature to remove the space before the email address.

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Security Advice

There are no security concerns or points of attention in this PR, as all changes are editorial and do not affect the codebase or project functionality.
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This aims only to assist human reviewers, and does not replace code reviews in any way.
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