PostgreSQL 데이터 계층 추가

package-lock.json

@@ -1,21 +1,21 @@
 {
   "name": "sori.studio",
-  "version": "0.0.4",
+  "version": "0.0.5",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "sori.studio",
-      "version": "0.0.4",
+      "version": "0.0.5",
       "hasInstallScript": true,
       "dependencies": {
         "@nuxtjs/tailwindcss": "^6.14.0",
         "nuxt": "^3.16.2",
+        "postgres": "^3.4.9",
         "vue": "^3.5.13",
         "vue-router": "^4.5.0",
         "zod": "^3.24.2"
-      },
-      "devDependencies": {}
+      }
     },
     "node_modules/@alloc/quick-lru": {
       "version": "5.2.0",
@@ -8844,6 +8844,19 @@
       "integrity": "sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==",
       "license": "MIT"
     },
+    "node_modules/postgres": {
+      "version": "3.4.9",
+      "resolved": "https://registry.npmjs.org/postgres/-/postgres-3.4.9.tgz",
+      "integrity": "sha512-GD3qdB0x1z9xgFI6cdRD6xu2Sp2WCOEoe3mtnyB5Ee0XrrL5Pe+e4CCnJrRMnL1zYtRDZmQQVbvOttLnKDLnaw==",
+      "license": "Unlicense",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "type": "individual",
+        "url": "https://github.com/sponsors/porsager"
+      }
+    },
     "node_modules/powershell-utils": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/powershell-utils/-/powershell-utils-0.1.0.tgz",