using Lua dep as a CMake project

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "external/glfw"]
 	path = external/glfw
 	url = https://github.com/glfw/glfw
+[submodule "external/lua-cmake"]
+	path = external/lua-cmake
+	url = https://github.com/lubgr/lua-cmake

CMakeLists.txt

@@ -10,22 +10,19 @@ set(core inputManager.cpp mapping.h stateManager.cpp luaManager.cpp)
 set(util util.cpp)
 
 set(GLFW_DIR vb01/external/glfw)
-set(LUA_DIR external/lua)
+set(LUA_DIR external/lua-cmake)
 
 include_directories(../${GLFW_DIR}/include/GLFW)
 
 set(LUA_LIB_DIR ${LUA_DIR})
-include_directories(${LUA_DIR})
-link_directories(${LUA_DIR})
+add_subdirectory(${LUA_DIR})
 
-add_library(gameBase STATIC ${states} ${core} ${util})
-set(GLFW_DIR ../vb01/external/glfw)
 set(LIB_NAME gameBase)
+add_library(${LIB_NAME} STATIC ${states} ${core} ${util})
+set(GLFW_DIR ../vb01/external/glfw)
 
 set(GLFW_LIB_DIR ../vb01/build/external/glfw/src)
 target_include_directories(${LIB_NAME} PUBLIC ${GLFW_DIR}/include/GLFW)
 target_link_directories(${LIB_NAME} PUBLIC ${GLFW_LIB_DIR})
 
-target_link_libraries(${LIB_NAME} lua)
-target_link_libraries(gameBase glfw)
-
+target_link_libraries(${LIB_NAME} glfw lua::lib)