Update configuration files

.gitignore

@@ -1,3 +1,5 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
 # dependencies
 node_modules/
 

.prettierrc

@@ -0,0 +1,4 @@
+{
+  "printWidth": 100,
+  "singleQuote": true
+}

tailwind.config.js

@@ -4,10 +4,9 @@ const colors = require('tailwindcss/colors');
  * @type { import('@types/tailwindcss/tailwind-config').TailwindConfig }
  */
 module.exports = {
-  darkMode: 'class',
+  darkMode: 'media',
   plugins: [require('@tailwindcss/forms')],
   purge: ['./theme/**/*.ftl'],
-  mode: 'jit',
   theme: {
     extend: {
       colors: {