Update Dockerfile

[jotpalch]

I've encountered an error while executing the Dockerfile.

• Updated docs #177

You can view the Dockerfile here: Dockerfile Link @StevenJSCF.

Context:

I was trying to build the Docker image using the provided Dockerfile when I ran into the following error:

Here is a screenshot of the error:

Changes Made:

• Base Image: Changed to python:3.10-slim for a lighter and more efficient image.
• Support for v2 Material: Added steps to download and set up v2 checkpoints.