Migrate to LevelPlay Init API

• Objective-C
• Swift

    // Create a request builder with app key and ad formats. Add User ID if available.
    LPMInitRequestBuilder *requestBuilder = [[LPMInitRequestBuilder alloc] initWithAppKey:@"appKey"];
    [requestBuilder withLegacyAdFormats:@[IS_REWARDED_VIDEO]];
    [requestBuilder withUserId:@"UserId"];

    // Build the initial request
    LPMInitRequest *initRequest = [requestBuilder build];
    // Initialize LevelPlay with the prepared request
    [LevelPlay initWithRequest:initRequest completion:^(LPMConfiguration *_Nullable config, NSError *_Nullable error){
        if(error) {
            // There was an error on initialization. Take necessary actions or retry.
        } else {
           // Initialization was successful. You can now create ad objects and load ads.
        }
    }];

    // Create a request builder with app key and ad formats. Add User ID if available.
    let requestBuilder = LPMInitRequestBuilder(appKey: "appKey")
            .withLegacyAdFormats([IS_REWARDED_VIDEO])
            .withUserId("UserId")
    // Build the initial request
    let initRequest = requestBuilder.build()
    // Initialize LevelPlay with the prepared request 
    LevelPlay.initWith(initRequest) 
    { config, error in
        if let error = error {
            // There was an error on initialization. Take necessary actions or retry.
        } else {
            // Initialization was successful. You can now create ad objects and load ads.
      }
}