added a simple test to check compilation basically

Author: Geolm

CMakeLists.txt

@@ -0,0 +1,13 @@
+cmake_minimum_required(VERSION 3.25)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_C_FLAGS_DEBUG "-g -O0 -DDEBUG -Wall -Wextra")
+set(CMAKE_C_FLAGS_RELEASE "-O3 -Wall -Wextra")
+set(CMAKE_CXX_FLAGS_DEBUG "-g -O0 -Wall -Wextra")
+set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DDEBUG -Wall -Wextra")
+set(CMAKE_OSX_ARCHITECTURES arm64;x86_64)
+
+project(leanui)
+
+add_executable(leanui_test ./test/test.c ./lean_ui.c)