Scaffold base build files for dual mode

SCsub

@@ -0,0 +1,16 @@
+#!/usr/bin/env python
+import os
+
+Import("env")
+
+# Define the context constant for module build
+env.Append(CPPDEFINES=["GODOT_MODULE_BUILD"])
+
+# Sources to include in the module
+module_sources = Glob("src/*.cpp")
+module_sources += Glob("*.cpp")
+
+env.add_source_files(env.modules_sources, module_sources)
+
+# Include paths for the module
+env.Append(CPPPATH=[Dir("."), Dir("src")])