Godot Sandbox Initial Release

This release adds all the required basic functionality for scripting with sandboxed C++.

• Create a .cpp resource in a folder and save it in order to create a program (.elf)
• Create a Node that extends Sandbox, assign the Program. Now Sandbox functions are available.
• Docker is now managed from the editor.
• All C++ files in the same folder produce a single executable (in that folder).
• There is now a C++ API inside the Docker container that can be extracted:
  • docker exec -t godot-cpp-compiler bash /usr/api/build.sh --api

Full Changelog: https://github.com/libriscv/godot-sandbox/compare/v0.1...