chore: initial project setup with backend, frontend, and infrastructure

Add complete NexaPantry application structure including:
- Docker Compose configuration with PostgreSQL, Redis, FastAPI backend, worker, frontend and Caddy
- Environment configuration template with database, auth, and service settings
- GitHub Actions CI workflow for backend/frontend linting, testing, auditing and Docker builds
- AGPL-3.0 license and comprehensive README with setup, development, and security documentation
- Backend

frontend/package.json

@@ -0,0 +1,43 @@
+{
+  "name": "nexapantry-frontend",
+  "version": "0.1.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "vite --host 0.0.0.0",
+    "build": "tsc -b && vite build",
+    "preview": "vite preview",
+    "lint": "eslint .",
+    "typecheck": "tsc -b --pretty false",
+    "test": "vitest"
+  },
+  "dependencies": {
+    "@zxing/browser": "^0.1.5",
+    "framer-motion": "^11.3.0",
+    "lucide-react": "^0.468.0",
+    "react": "^18.3.1",
+    "react-dom": "^18.3.1",
+    "vite-plugin-pwa": "^1.3.0"
+  },
+  "devDependencies": {
+    "@eslint/js": "^9.8.0",
+    "@testing-library/jest-dom": "^6.4.8",
+    "@testing-library/react": "^16.0.0",
+    "@types/node": "^25.9.1",
+    "@types/react": "^18.3.3",
+    "@types/react-dom": "^18.3.0",
+    "@vite-pwa/assets-generator": "^1.0.2",
+    "@vitejs/plugin-react": "^6.0.2",
+    "autoprefixer": "^10.4.19",
+    "eslint": "^9.8.0",
+    "eslint-plugin-react-hooks": "^7.1.1",
+    "eslint-plugin-react-refresh": "^0.4.9",
+    "jsdom": "^24.1.1",
+    "postcss": "^8.4.40",
+    "tailwindcss": "^3.4.7",
+    "typescript": "^5.9.3",
+    "typescript-eslint": "^8.0.0",
+    "vite": "^8.0.16",
+    "vitest": "^4.1.8"
+  }
+}