EVM Node: Clean-up man page

Checklist

• Testing
• Changelog

Context

Fix a few quirks/issues of our man page. Turn the regression to the highest level to be sure we get the full picture when modifying it.

Summary by CodeRabbit

• Documentation
  • Added a new changelog section outlining improvements to the manual command.
  • Refined command-line help messages to clearly present default settings and configuration options.
  • Updated the manual command output to now display version-specific information.
  • Enhanced formatting of documentation strings for improved clarity and presentation.