Add macro tag for current place tutorial (#204)

* Add macro tag for current place tutorial

Affected files:
- MapViewController.swift

* Update PlacesViewController.swift

* Update PlacesViewController.m

* Update MapViewController.m

Author: oppenheimera

tutorials/current-place-on-map/current-place-on-map/MapViewController.m

@@ -6,6 +6,7 @@
 //  Copyright © 2020 William French. All rights reserved.
 //
 
+// [START maps_ios_current_place]
 #import "MapViewController.h"
 #import "PlacesViewController.h"
 @import CoreLocation;
@@ -199,3 +200,4 @@ - (void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *
 // [END maps_ios_current_place_location_manager_delegate]
 
 @end
+// [END maps_ios_current_place]

tutorials/current-place-on-map/current-place-on-map/MapViewController.swift

@@ -13,6 +13,7 @@
  * permissions and limitations under the License.
  */
 
+// [START maps_ios_current_place]
 import UIKit
 import GoogleMaps
 import GooglePlaces
@@ -193,3 +194,4 @@ extension MapViewController: CLLocationManagerDelegate {
   }
 }
 // [END maps_ios_current_place_location_manager_delegate]
+// [END maps_ios_current_place]

tutorials/current-place-on-map/current-place-on-map/PlacesViewController.m

@@ -12,6 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+// [START maps_ios_current_place]
 #import "PlacesViewController.h"
 
 // [START maps_ios_current_place_tableviewdelegate]
@@ -76,3 +77,4 @@ - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(N
 }
 @end
 // [END maps_ios_current_place_tableviewdatasource]
+// [END maps_ios_current_place]

tutorials/current-place-on-map/current-place-on-map/PlacesViewController.swift

@@ -13,6 +13,7 @@
  * permissions and limitations under the License.
  */
 
+// [START maps_ios_current_place]
 import UIKit
 import GooglePlaces
 
@@ -93,3 +94,4 @@ extension PlacesViewController: UITableViewDataSource {
   }
 }
 // [END maps_ios_current_place_tableviewdatasource]
+// [END maps_ios_current_place]