add vim toggle to settings

+ added persistent global state store
+ refactored themes to use the new store

website/tailwind.config.cjs

@@ -41,5 +41,5 @@ module.exports = {
       },
     },
   },
-  plugins: [require('@tailwindcss/typography')],
+  plugins: [require('@tailwindcss/typography'), require('@tailwindcss/forms')],
 };