message: [CHORE] Add Start Packager script
diff: buildConfigurationList = 13B07F931A680F5B00A75B9A /* Build configuration list for PBXNativeTarget "RocketChatRN" */;
  buildPhases = (
  FB4AC4FF76ACF097F2431C74 /* [CP] Check Pods Manifest.lock */,
  + 7AA5C63E23E30D110005C4A7 /* Start Packager */,
  13B07F871A680F5B00A75B9A /* Sources */,
  13B07F8C1A680F5B00A75B9A /* Frameworks */,
  13B07F8E1A680F5B00A75B9A /* Resources */,
  shellPath = /bin/sh;
  shellScript = "export NODE_BINARY=node\n../node_modules/react-native/scripts/react-native-xcode.sh\n";
  };
  + 7AA5C63E23E30D110005C4A7 /* Start Packager */ = {
  + isa = PBXShellScriptBuildPhase;
  + buildActionMask = 2147483647;
  + files = (
  + );
  + inputFileListPaths = (
  + );
  + inputPaths = (
  + );
  + name = "Start Packager";
  + outputFileListPaths = (
  + );
  + outputPaths = (
  + );
  + runOnlyForDeploymentPostprocessing = 0;
  + shellPath = /bin/sh;
  + shellScript = "export RCT_METRO_PORT=\"${RCT_METRO_PORT:=8081}\"\necho \"export RCT_METRO_PORT=${RCT_METRO_PORT}\" > \"${SRCROOT}/../node_modules/react-native/scripts/.packager.env\"\nif [ -z \"${RCT_NO_LAUNCH_PACKAGER+xxx}\" ] ; then\n if nc -w 5 -z localhost ${RCT_METRO_PORT} ; then\n if ! curl -s \"http://localhost:${RCT_METRO_PORT}/status\" | grep -q \"packager-status:running\" ; then\n echo \"Port ${RCT_METRO_PORT} already in use, packager is either not running or not running correctly\"\n exit 2\n fi\n else\n open \"$SRCROOT/../node_modules/react-native/scripts/launchPackager.command\" || echo \"Can't start packager automatically\"\n fi\nfi\n";
  + };
  9558AC195A3506BB8472CE99 /* [CP] Embed Pods Frameworks */ = {
  isa = PBXShellScriptBuildPhase;
  buildActionMask = 2147483647;
  