Include build script instructions

Author: jasonacox

example/iOS Test App/README.md

@@ -7,11 +7,14 @@ This is a test app for iOS using the curl, openssl and nghttp2 libraries.
 Build the libraries with Mac Catalyst support:
 
 ```bash
+# For x86-64 Build Nodes
 ./build.sh -m
+
+# For arm64 (m1) Build nodes
+./build.sh
 ```
 
-Load and build the project using Xcode (tested with version 8.2). Example lib binaries (xcframework)
-and header files are included but should be replaced with new builds.
+Load and build the project using Xcode (tested with version 8.2). Example lib binaries (xcframework)and header files are included but will be replaced when you run the build script.
 
 ## Screenshot