docs: update deprecated flags in muxt-complete.md

[crhntr]

Forgot to update the docs when I made the change.

[claude]

Pull Request Review

Thank you for updating the deprecated flags in the documentation! This is an important consistency improvement.

✅ Code Quality & Best Practices

Excellent work on:

• Consistent replacement of deprecated flags across all 6 modified documentation files
• Accurate flag name updates following the new naming conventions:
  • --find-receiver-type → --use-receiver-type
  • --find-receiver-type-package → --use-receiver-type-package
  • --find-templates-variable → --use-templates-variable
  • --logger → --output-routes-func-with-logger-param
  • --path-prefix → --output-routes-func-with-path-prefix-param
• The changes are documentation-only, so no runtime risk
• All 28 additions and 28 deletions are straightforward flag replacements

🐛 Issue Found

Missing Updates in README.md:

The main README.md file still contains the deprecated --receiver-type flag in two locations:

• Line 42: Run \muxt generate --receiver-type=Server` to generate HTTP handlers.`
• Line 81: //go:generate muxt generate --receiver-type=Server

These should be updated to use --use-receiver-type=Server to be consistent with the rest of the documentation.

According to docs/reference/cli.md:92, --receiver-type is deprecated in favor of --use-receiver-type.

📊 Test Coverage

N/A - Documentation-only changes

🔒 Security Concerns

None - Documentation changes only

⚡ Performance Considerations

None - Documentation changes only

📝 Recommendation

Action Required: Please update README.md to replace the deprecated --receiver-type flag with --use-receiver-type for consistency with this PR's scope.

Once that's addressed, this PR will be ready to merge. Great attention to detail on updating all the doc files comprehensively!