accent bar color change to red

mkdocs.yml

@@ -27,7 +27,7 @@ theme:
   palette:
     # try other colors from https://squidfunk.github.io/mkdocs-material/setup/changing-the-colors/
     scheme: default
-    primary: blue grey
+    primary: red
     accent: teal
   font:
     # See available fonts from https://fonts.google.com/