fix: move TARGETED_DEVICE_FAMILY to xcconfig to allow override (#211)

Author: edusperoni

project-template/__PROJECT_NAME__.xcodeproj/project.pbxproj

@@ -349,7 +349,6 @@
 				SUPPORTS_UIKITFORMAC = YES;
 				SWIFT_OBJC_BRIDGING_HEADER = "$SRCROOT/internal/Swift-ObjC-Bridging-Header.h";
 				SWIFT_VERSION = 4.2;
-				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
 		};
@@ -402,7 +401,6 @@
 				SUPPORTS_UIKITFORMAC = YES;
 				SWIFT_OBJC_BRIDGING_HEADER = "$SRCROOT/internal/Swift-ObjC-Bridging-Header.h";
 				SWIFT_VERSION = 4.2;
-				TARGETED_DEVICE_FAMILY = "1,2";
 				VALIDATE_PRODUCT = YES;
 			};
 			name = Release;
@@ -432,7 +430,6 @@
 					"@executable_path/Frameworks",
 				);
 				PRODUCT_NAME = __PROJECT_NAME__;
-				TARGETED_DEVICE_FAMILY = "1,2";
 				WRAPPER_EXTENSION = app;
 			};
 			name = Debug;
@@ -458,7 +455,6 @@
 					"@executable_path/Frameworks",
 				);
 				PRODUCT_NAME = __PROJECT_NAME__;
-				TARGETED_DEVICE_FAMILY = "1,2";
 				WRAPPER_EXTENSION = app;
 			};
 			name = Release;

project-template/internal/nativescript-build.xcconfig

@@ -23,4 +23,7 @@ EXCLUDED_ARCHS_x86_64 = arm64 arm64e
 EXCLUDED_ARCHS[sdk=iphonesimulator*] = i386 armv6 armv7 armv7s armv8 $(EXCLUDED_ARCHS_$(NATIVE_ARCH_64_BIT))
 EXCLUDED_ARCHS[sdk=iphoneos*] = i386 armv6 armv7 armv7s armv8 x86_64
 EXCLUDED_ARCHS[sdk=macosx*] = i386 armv6 armv7 armv7s armv8
-VALIDATE_WORKSPACE = YES
+VALIDATE_WORKSPACE = YES
+
+// Default value (can be overriden by user's build.xcconfig)
+TARGETED_DEVICE_FAMILY = "1,2";