doc: Improve Sensor Edition: basic page with minor fixes.

[pradeeka7]

Summary

Improved Sensor Edition: basic page with minor fixes and adding serial terminal output.

Screenshots

Not needed

Changes

• minor fixes
• Add serial terminal output for clarity

Notes for Reviewers

Minor fix

Checklist

• Scope: The referenced issue is addressed, there are no unrelated changes.
• Run Locally: Verified that the docs build using make server, posted screenshots, verified external links.
• New Features Marked: Documentation for new features is marked using the new-in-version shortcode, according to the guidelines in CONTRIBUTING.
• Style Guidelines: Documentation obeys style guidelines in CONTRIBUTING.
• Commits: Commit messages follow guidelines in CONTRIBUTING, there are no fixup commits left.

[elsalahy]

Great, thanks @pradeeka7 for the improvements