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.

app/globals.css

@@ -0,0 +1,26 @@
+@import "tailwindcss";
+
+:root {
+  --background: #ffffff;
+  --foreground: #171717;
+}
+
+@theme inline {
+  --color-background: var(--background);
+  --color-foreground: var(--foreground);
+  --font-sans: var(--font-geist-sans);
+  --font-mono: var(--font-geist-mono);
+}
+
+@media (prefers-color-scheme: dark) {
+  :root {
+    --background: #0a0a0a;
+    --foreground: #ededed;
+  }
+}
+
+body {
+  background: var(--background);
+  color: var(--foreground);
+  font-family: Arial, Helvetica, sans-serif;
+}