Modifies README, including a roadmap of desired future features
Locks editing of the code popup. This helps avoid confusion about what is being run when clicking "run code", since what's run is the saved version of the displayed code. Allowing code to be edited would be confusing since the LLM wouldn't have access to the modified code.
Replaces conda with virtualenv for package management. It's faster and doesn't have to be installed in advance. Adds virtualenv as a requirement of the package.
This PR does the following: