add mac build script

build_mac.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# this isnt meant to be guarenteed to work on whatever system
+# the c compiler invokation just got really big
+# works for my system, is a reference for you in the worst case
+#
+# this is another "example" build script that i use when working on the mac
+
+cd track_wrapper && zig build --release=fast && cd ..
+
+clang -Wall -Wextra -pedantic -std=c99 -L/usr/local/lib -I/usr/local/include -I. raylib_frontend.c track_wrapper/zig-out/lib/libtrack_wrapper.a -lraylib \
+-I/System/Library/Frameworks -framework IOKit -framework Cocoa -framework OpenGL \
+-frounding-math -fno-fast-math -ffp-contract=off