Counter not outlined

[BaltoAF]

Before submitting a new icon contribution, please confirm the following:

• [X] I have searched all issues to make sure there isn't a request for this icon.
• [X] I have searched the current library to make sure the icon doesn't already exist.
• [X] I understand that brand icons are no longer being added and I can use SimpleIcons for my brand icon needs.
• [X] I have followed the Material guidelines for system icons.

Tell us about your contribution.

I liked the counter icon (thanks to https://pictogrammers.com/library/mdi/icon/counter/), but I wanted opposite colors (not outlined).

Share a preview of your contribution.

Upload the icon source.