feat(ios): Capacitor iOS 플랫폼 추가 — 시뮬레이터 실행 확인

- @capacitor/ios 추가, cap add ios (SPM, 플러그인 7종)
- Info.plist 카메라·사진 보관함 권한 문구
- 브랜드 앱 아이콘 생성, 번들 ID kr.sblog.slimbudget (안드와 동일)
- iPhone 17 시뮬레이터(iOS 26.5) 빌드·구동 확인

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

package-lock.json

@@ -14,6 +14,7 @@
         "@capacitor/cli": "^8.3.4",
         "@capacitor/core": "^8.3.4",
         "@capacitor/filesystem": "^8.1.2",
+        "@capacitor/ios": "^8.4.1",
         "@capacitor/local-notifications": "^8.2.0",
         "@capacitor/preferences": "^8.0.1",
         "@capacitor/share": "^8.0.1",
@@ -1183,9 +1184,9 @@
       }
     },
     "node_modules/@capacitor/core": {
-      "version": "8.3.4",
-      "resolved": "https://registry.npmjs.org/@capacitor/core/-/core-8.3.4.tgz",
-      "integrity": "sha512-CqRQCkb6HXxcx/N7s+hHTN6ef2CmamFiRMITwm4qB840ph56mS42bzUgn6tKCP+RZjdDweiRHj9ytDDeN6jFag==",
+      "version": "8.4.1",
+      "resolved": "https://registry.npmjs.org/@capacitor/core/-/core-8.4.1.tgz",
+      "integrity": "sha512-xqhOGLbTAYeOWK+IDUNSjQJAPapQjRHrIcgk9PYp52or9zFTaaMko31uNi16N6W+CRJ8VrRram6fOYILkBG2Hg==",
       "license": "MIT",
       "dependencies": {
         "tslib": "^2.1.0"
@@ -1203,6 +1204,15 @@
         "@capacitor/core": ">=8.0.0"
       }
     },
+    "node_modules/@capacitor/ios": {
+      "version": "8.4.1",
+      "resolved": "https://registry.npmjs.org/@capacitor/ios/-/ios-8.4.1.tgz",
+      "integrity": "sha512-EgcAk7NYheHMTyP3CUrA65qKs4D2UEAKgw44HI6Uk3dTw6KjLQkdLOQWvbeRncHaZ2gklfOojUoc5DlSw2lhYg==",
+      "license": "MIT",
+      "peerDependencies": {
+        "@capacitor/core": "^8.4.0"
+      }
+    },
     "node_modules/@capacitor/local-notifications": {
       "version": "8.2.0",
       "resolved": "https://registry.npmjs.org/@capacitor/local-notifications/-/local-notifications-8.2.0.tgz",