feat: initialize Next.js project with TypeScript, ESLint, and Tailwind CSS

- Added ESLint configuration for Next.js with custom global ignores.
- Created Next.js configuration file with basic setup.
- Initialized package.json with dependencies for Next.js, React, and TypeScript.
- Set up PostCSS configuration for Tailwind CSS.
- Added SVG assets for the project.
- Created TypeScript configuration file with strict settings and Next.js support.
- Defined custom type declarations for Next.js cache life and routing parameters.
- Implemented validation types for Next.js pages and layouts.

eslint.config.mjs

@@ -0,0 +1,18 @@
+import { defineConfig, globalIgnores } from "eslint/config";
+import nextVitals from "eslint-config-next/core-web-vitals";
+import nextTs from "eslint-config-next/typescript";
+
+const eslintConfig = defineConfig([
+  ...nextVitals,
+  ...nextTs,
+  // Override default ignores of eslint-config-next.
+  globalIgnores([
+    // Default ignores of eslint-config-next:
+    ".next/**",
+    "out/**",
+    "build/**",
+    "next-env.d.ts",
+  ]),
+]);
+
+export default eslintConfig;