Add base files for bindings

Add base files for C++ and D that will interface with the existing C integration.

engine/bin/libsb.gdextension

@@ -0,0 +1,10 @@
+[configuration]
+
+entry_symbol = "Godot-DLang"
+compatibility_minimum = "4.4"
+
+[libraries]
+
+linux.64 = "bind.so"
+darwin.64 = "bind.dylib"
+windows.64 = "bind.dll"

engine/title.tscn

@@ -106,7 +106,7 @@ text = "To-Do:
 - Use C API to implement interactive interface; this API is available via GDExtension, which has bindings available for an extended
 selection of languages, which may all interact with each other via this API.
 - Components that require speed, such as procedural generation and most core logic, should be implemented in C99/C++11; these libraries may then
-be called from a more expressive language, such as Tim Apple's Swift.
+be called from a more expressive language, such as D or a WASM object.
 - These issues will be migrated to the Forgejo instance.
 
 - Button for copyright notices in bottom-left corner."