Implement BuildInfo plugin for iOS

This commit implements the BuildInfo Capacitor plugin for iOS to retrieve the app version and build number from Info.plist. This resolves an issue where the version information was not being updated on iOS devices due to the absence of a native plugin implementation.

ios/App/App/BuildInfoPlugin.m

@@ -0,0 +1,8 @@
+
+#import <Foundation/Foundation.h>
+#import <Capacitor/Capacitor.h>
+
+// 플러그인 메서드 정의
+CAP_PLUGIN(BuildInfoPlugin, "BuildInfo",
+           CAP_PLUGIN_METHOD(getBuildInfo, CAPPluginReturnPromise);
+)

ios/App/App/BuildInfoPlugin.swift

@@ -0,0 +1,22 @@
+
+import Foundation
+import Capacitor
+
+@objc(BuildInfoPlugin)
+public class BuildInfoPlugin: CAPPlugin {
+    @objc func getBuildInfo(_ call: CAPPluginCall) {
+        let versionName = Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String ?? "1.0.0"
+        let buildNumber = Bundle.main.infoDictionary?["CFBundleVersion"] as? String ?? "1"
+        
+        let result = [
+            "versionName": versionName,
+            "buildNumber": Int(buildNumber) ?? 1,
+            "platform": "ios",
+            // 추가 디버깅 정보
+            "bundleId": Bundle.main.bundleIdentifier ?? "unknown",
+            "buildDate": DateFormatter.localizedString(from: Date(), dateStyle: .short, timeStyle: .short)
+        ] as [String : Any]
+        
+        call.resolve(result)
+    }
+}