fix: example iOS app - load .xcode.env and/or .xcode.env.local in bundle task

Author: artus9033

example/swift/SwiftExample.xcodeproj/project.pbxproj

@@ -204,7 +204,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "export NODE_BINARY=node\nENTRY_FILE=index.js ../../node_modules/react-native/scripts/react-native-xcode.sh\n";
+			shellScript = "set -e\nif [[ -f \"$PODS_ROOT/../.xcode.env\" ]]; then\nsource \"$PODS_ROOT/../.xcode.env\"\nfi\nif [[ -f \"$PODS_ROOT/../.xcode.env.local\" ]]; then\nsource \"$PODS_ROOT/../.xcode.env.local\"\nfi\nREACT_NATIVE_PATH=\"../../node_modules/react-native\"\nWITH_ENVIRONMENT=\"$REACT_NATIVE_PATH/scripts/xcode/with-environment.sh\"\nREACT_NATIVE_XCODE=\"$REACT_NATIVE_PATH/scripts/react-native-xcode.sh\"\nENTRY_FILE=index.js\n\n/bin/sh -c \"$WITH_ENVIRONMENT $REACT_NATIVE_XCODE\"\n";
 		};
 		3922106373FF9547107BB112 /* [CP] Check Pods Manifest.lock */ = {
 			isa = PBXShellScriptBuildPhase;