WS-3314: dark and light mode logo square versions

Author: Adam Soos

README.md

@@ -1,8 +1,8 @@
 <a href="https://www.babelstreet.com/rosette">
 <picture>
-  <source media="(prefers-color-scheme: light)" srcset="https://charts.babelstreet.com/icon.png">
-  <source media="(prefers-color-scheme: dark)" srcset="https://charts.babelstreet.com/icon-white.png">
-  <img alt="Babel Street Logo" width="60" height="60">
+  <source media="(prefers-color-scheme: light)" srcset="https://charts.babelstreet.com/icon-dark.png">
+  <source media="(prefers-color-scheme: dark)" srcset="https://charts.babelstreet.com/icon-ligth.png">
+  <img alt="Babel Street Logo" width="48" height="48">
 </picture>
 </a>