Add optimization flag

Author: Blika

CMakeLists.txt

@@ -16,9 +16,10 @@ else(WIN32)
 endif()
 set(CMAKE_CXX_STANDARD 20)
 if(DEBUG)
-    add_compile_options(-g)
+    add_compile_options(-Wall -Wextra -g -O2)
     project(debug__MapMaker)
 else()
+    add_compile_options(-O2)
     project(MapMaker)
 endif()
 set(STB_PATH "${PROJECT_SOURCE_DIR}/stb")