refactor: Refactorized whole project structure

source/NoNut/CMakeLists.txt

@@ -0,0 +1,14 @@
+
+target_sources(${PYG2O_MODULE_NAME}
+    PRIVATE
+        source/Array.cpp
+        source/Class.cpp
+        source/Constant.cpp
+        source/CustomTypes.cpp
+        source/StaticClass.cpp
+)
+    
+target_include_directories(${PYG2O_MODULE_NAME}
+    PRIVATE
+        "include/"
+)