Add support for built-in code_interpreter tool

[transitive-bullshit]

This is for the built-in code_interpreter tool.

Currently, the built-in code_interpreter tool is hard-coded to throw a 501 unsupported error (source).

At a minimum, we should support an integration with open-interpreter.

I believe that e2b also has some interpreter functionality.

[transitive-bullshit]

For code_interpreter sandboxing, also considering:

• https://deno.land/x/sandbox@v1.2.0
• https://deno.com/blog/subhosting
• https://github.com/laverdet/isolated-vm

We could certainly use Docker like open-interpreter does; just want to keep our options open for keeping things as lightweight as possible.