Add a Linux alternative

Author: aaronshekey

lib/css/exports/_stacks-constants-type.less

@@ -27,7 +27,7 @@
 @ff-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Liberation Sans", sans-serif;
 @ff-serif: Georgia, Cambria, "Times New Roman", Times, serif;
 @ff-mono: ui-monospace, "Cascadia Mono", "Segoe UI Mono", "Liberation Mono", Menlo, Monaco, Consolas, monospace;
-@ff-dyslexic: "Comic Sans", "Comic Sans MS", "Chalkboard", "ChalkboardSE-Regular";
+@ff-dyslexic: "Comic Sans", "Comic Sans MS", "Chalkboard", "ChalkboardSE-Regular", "TSCu_Comic";
 
 body {
     --ff-sans: @ff-sans;