Reapply "Add tailwind and dev dependencies"

This reverts commit 6a1f043389.

vite.config.ts

@@ -1,7 +1,8 @@
-import { defineConfig } from 'vite'
-import react from '@vitejs/plugin-react'
+import { defineConfig } from "vite";
+import react from "@vitejs/plugin-react";
+import tailwindcss from "@tailwindcss/vite";
 
 // https://vite.dev/config/
 export default defineConfig({
-  plugins: [react()],
-})
+  plugins: [react(), tailwindcss()],
+});