feat: initialize Next.js app with Tailwind CSS and custom global styles

- Added global CSS file with Tailwind CSS imports and custom styles for light and dark themes.
- Created layout component to include Google Fonts and set up metadata for the application.
- Developed main page layout with responsive design, including navigation and footer links.
- Configured TypeScript settings for the project with strict type checking and module resolution.

eslint.config.mjs

@@ -0,0 +1,16 @@
+import { dirname } from "path";
+import { fileURLToPath } from "url";
+import { FlatCompat } from "@eslint/eslintrc";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+
+const compat = new FlatCompat({
+  baseDirectory: __dirname,
+});
+
+const eslintConfig = [
+  ...compat.extends("next/core-web-vitals", "next/typescript"),
+];
+
+export default eslintConfig;