docs: use higher contrast font (aws-powertools#822)

heitorlessa · web-flow · commit cb5465de6017 · 2021-11-13T19:57:22.000+01:00
diff --git a/mkdocs.yml b/mkdocs.yml
@@ -30,6 +30,8 @@ nav:
 
 theme:
   name: material
+  font:
+    text: Ubuntu
   palette:
     - scheme: default
       primary: deep purple
