feat: add dynatrace-monaco plugin

[nsaputro]

Summary

Description:

• Tool repo URL: https://github.com/Dynatrace/dynatrace-configuration-as-code
• Plugin repo URL: https://github.com/nsaputro/asdf-monaco

Checklist

• Format with scripts/format.bash
• Test locally with scripts/test_plugin.bash --file plugins/<your_new_plugin_name>
• Your plugin CI tests are green
  • Tip: use the plugin_test action from asdf-actions in your plugin CI

[jthegedus]

I feel like this should be called dynatrace-monaco or something?

[jthegedus]

please rebase

[nsaputro]

@jthegedus I have changed the name and rebased the the change. Please check

[jthegedus]

Thanks mate!