feat: rewrite site as Next.js 14 portfolio with terminal aesthetic

Replaces Hugo site with a Next.js App Router (TypeScript) build.
Tailwind CSS custom terminal palette, Framer Motion scroll reveals,
JetBrains Mono font, scanline/vignette overlays, typing animation.
Sections: Hero, Skills, Projects, Contact. Content driven from data/resume.ts.
Deploy workflow updated for static export to gh-pages.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

next.config.mjs

@@ -0,0 +1,13 @@
+/** @type {import('next').NextConfig} */
+const REPO_NAME = 'Emil_Shanayev_Resume'
+
+const nextConfig = {
+  output: 'export',
+  basePath: `/${REPO_NAME}`,
+  assetPrefix: `/${REPO_NAME}`,
+  images: {
+    unoptimized: true,
+  },
+}
+
+export default nextConfig