Add font smoothing to docs

Author: cvle

docs/src/global.css.ts

@@ -1,5 +1,10 @@
 export default {
   body: {
     margin: "0",
+
+    /* Support for all WebKit browsers. */
+    WebkitFontSmoothing: "antialiased",
+    /* Support for Firefox. */
+    MozOsxFontSmoothing: "grayscale",
   },
 };