Initial commint

prepare cmake files
include unity fo testing

utility/unity/CMakeLists.txt

@@ -0,0 +1,9 @@
+cmake_minimum_required(VERSION 3.10)
+
+add_library(unity STATIC
+	core/unity.c
+	fixture/unity_fixture.c
+) 
+
+target_include_directories(unity PUBLIC core fixture)
+target_compile_options(unity PRIVATE "-Wall")