feat: add mono-styled anronicons

The color shading works fine with our system AppIcon as shown in the
gallery.

This premium (paid) icon-set will add more quality to our designsystem.

anronicons/duocolor/basic/brush.svg

@@ -0,0 +1,4 @@
+<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path opacity="0.4" d="M9 2V6M13 2V4M4 9C4 9 7.5 11 12 11C16.5 11 20 9 20 9" stroke="#2F384C" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M4 5.16808C4 3.4184 5.4184 2 7.16808 2H16.8319C18.5816 2 20 3.4184 20 5.16808V10.5978C20 12.07 19.1682 13.4159 17.8514 14.0743L15.7376 15.1312C14.7048 15.6476 14.1295 16.7773 14.3194 17.9163L14.5068 19.0408C14.765 20.5899 13.5704 22 12 22V22C10.4296 22 9.23502 20.5899 9.4932 19.0408L9.68062 17.9163C9.87046 16.7773 9.29521 15.6476 8.26238 15.1312L6.14857 14.0743C4.83178 13.4159 4 12.07 4 10.5978V5.16808Z" stroke="#2F384C" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>