[nostalgia] Move GlUtils out of Nostalgia

src/glutils/CMakeLists.txt

@@ -0,0 +1,21 @@
+add_library(
+	GlUtils OBJECT
+		glutils.cpp
+)
+
+if(NOT MSVC)
+	target_compile_options(GlUtils PRIVATE -Wsign-conversion)
+endif()
+
+target_link_libraries(
+	GlUtils PUBLIC
+		OxStd
+		glad
+)
+
+install(
+	FILES
+		glutils.hpp
+	DESTINATION
+		include/glutils
+)