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 +1,39 @@
+{
+  "name": "todo_app",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "dev": "next dev --turbopack",
+    "build": "next build --turbopack",
+    "start": "next start",
+    "lint": "eslint"
+  },
+  "dependencies": {
+    "@prisma/client": "^6.19.0",
+    "@radix-ui/react-checkbox": "^1.3.3",
+    "@radix-ui/react-select": "^2.2.6",
+    "@radix-ui/react-slot": "^1.2.3",
+    "class-variance-authority": "^0.7.1",
+    "clsx": "^2.1.1",
+    "dotenv": "^17.2.3",
+    "lucide-react": "^0.544.0",
+    "next": "15.5.4",
+    "react": "19.1.0",
+    "react-dom": "19.1.0",
+    "tailwind-merge": "^3.3.1",
+    "tailwindcss-animate": "^1.0.7",
+    "zustand": "^5.0.8"
+  },
+  "devDependencies": {
+    "@eslint/eslintrc": "^3",
+    "@tailwindcss/postcss": "^4",
+    "@types/node": "^20",
+    "@types/react": "^19",
+    "@types/react-dom": "^19",
+    "eslint": "^9",
+    "eslint-config-next": "15.5.4",
+    "prisma": "^6.19.0",
+    "tailwindcss": "^4",
+    "typescript": "^5"
+  }
+}