[ADD] GoogleAdUnitID 스킴 분기 처리 (#150)

Projects/App/Info.plist

@@ -41,6 +41,8 @@
 	<false/>
 	<key>KAKAO_NATIVE_APP_KEY</key>
 	<string>$(KAKAO_NATIVE_APP_KEY)</string>
+	<key>GOOGLE_AD_UNITID</key>
+	<string>$(GOOGLE_AD_UNITID)</string>
 	<key>LSApplicationCategoryType</key>
 	<string></string>
 	<key>LSApplicationQueriesSchemes</key>

Projects/Core/Services/Sources/GoogleAds/GoogleAdsClient.swift

@@ -26,7 +26,15 @@ extension GoogleMobileAdsClient: DependencyKey {
         await GADMobileAds.sharedInstance().start()
       },
       load: {
-        let ad = try await GADInterstitialAd.load(withAdUnitID: "ca-app-pub-3940256099942544/4411468910", request: GADRequest())
+        var adUnitID: String {
+      #if DEBUG
+          return "ca-app-pub-3940256099942544/4411468910"
+      #else
+          return APIKey.googleAdUnitID
+      #endif
+        }
+
+        let ad = try await GADInterstitialAd.load(withAdUnitID: adUnitID, request: GADRequest())
 
         return GoogleAd(ad: ad)
       }

Projects/Core/Services/Sources/Util/APIKey.swift

@@ -0,0 +1,22 @@
+//
+//  APIKey.swift
+//  CoreKit
+//
+//  Created by kyuchul on 6/17/24.
+//  Copyright © 2024 com.jordyma.blink. All rights reserved.
+//
+
+import Foundation
+
+enum APIKey {
+    static let kakao = getInfoValue(for: "KAKAO_NATIVE_APP_KEY")
+    static let googleAdUnitID = getInfoValue(for: "GOOGLE_AD_UNITID")
+
+    private static func getInfoValue(for key: String) -> String {
+        guard let infoDictionary = Bundle.main.infoDictionary,
+              let value = infoDictionary[key] as? String else {
+            fatalError("Wrong \(key)")
+        }
+        return value
+    }
+}