refactor: update Tailwind CSS configuration for frontend structure

- Introduced a variable for the frontend root path to streamline content paths.
- Updated content paths to reflect the new directory structure for Tailwind CSS.

tailwind.config.js

@@ -1,11 +1,14 @@
 import formsPlugin from '@tailwindcss/forms';
 
+const frontendRoot = "./meshchatx/src/frontend";
+
 /** @type {import('tailwindcss').Config} */
 module.exports = {
     darkMode: 'selector',
     content: [
-        "./src/frontend/index.html",
-        "./src/**/*.{vue,js,ts,jsx,tsx,html}",
+        `${frontendRoot}/index.html`,
+        `${frontendRoot}/call.html`,
+        `${frontendRoot}/**/*.{vue,js,ts,jsx,tsx,html}`,
     ],
     theme: {
         extend: {},