REFACTOR(repo): simplify project structure

- Move services/nextjs/ to nextjs/
- Move Dockerfile.prod to Dockerfile at root
- Remove deploy/ folder (K8s manifests moved to K3S-HOME/web-apps)
- Remove .gitea/ workflows
- Update GitHub Actions for new structure
- Remove develop branch triggers

nextjs/package.json

@@ -0,0 +1,46 @@
+{
+  "name": "portfolio",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start",
+    "lint": "eslint"
+  },
+  "dependencies": {
+    "@radix-ui/react-dropdown-menu": "^2.1.16",
+    "@radix-ui/react-separator": "^1.1.6",
+    "@radix-ui/react-slot": "^1.2.2",
+    "@react-three/drei": "^10.7.6",
+    "@react-three/fiber": "^9.4.0",
+    "@swc/helpers": "^0.5.17",
+    "chart.js": "^4.5.1",
+    "class-variance-authority": "^0.7.1",
+    "clsx": "^2.1.1",
+    "gsap": "^3.13.0",
+    "lucide-react": "^0.552.0",
+    "next": "16.0.1",
+    "next-intl": "^4.5.6",
+    "next-themes": "^0.4.6",
+    "ogl": "^1.0.11",
+    "react": "19.2.0",
+    "react-chartjs-2": "^5.3.1",
+    "react-dom": "19.2.0",
+    "shadcn": "^3.5.0",
+    "sharp": "^0.33.5",
+    "tailwind-merge": "^3.3.1",
+    "three": "^0.181.0"
+  },
+  "devDependencies": {
+    "@tailwindcss/postcss": "^4",
+    "@types/node": "^20",
+    "@types/react": "^19",
+    "@types/react-dom": "^19",
+    "eslint": "^9",
+    "eslint-config-next": "16.0.1",
+    "tailwindcss": "^4",
+    "tw-animate-css": "^1.4.0",
+    "typescript": "^5"
+  }
+}