feat: 로그인 화면 및 공통 속성 생성

package.json

@@ -9,10 +9,14 @@
     "web": "expo start --web"
   },
   "dependencies": {
+    "@react-navigation/native": "^7.1.26",
+    "@react-navigation/native-stack": "^7.9.0",
     "expo": "~54.0.30",
     "expo-status-bar": "~3.0.9",
     "react": "19.1.0",
-    "react-native": "0.81.5"
+    "react-native": "0.81.5",
+    "react-native-safe-area-context": "~5.6.0",
+    "react-native-screens": "~4.16.0"
   },
   "devDependencies": {
     "@types/react": "~19.1.0",