distinguish system-level & project-level settings more clear

[HuaizhengZhang]

we should allow users to get system level settings easily rather than putting everything to project-level

Software execution information

MLE-agent version: System OS version:

Problem description

def new(name):
    """
    new: create a new machine learning project with the given NAME.
    """
    if not name:
        console.log("Please provide a valid project name. Aborted.")
        return

    description = questionary.text("What is the description of this project? (Optional)").ask()
    create_project(
        Project(
            name=name,
            description=description,
            lang=configuration.read()['general']['code_language'],
            llm=configuration.read()['general']['platform'],
            exp_track=configuration.read()['general']['experiment_tracking_tool']
        ),
        set_current=True
    )

Steps to reproduce the problem

Expected behavior

Other information

Things you tried, stack traces, related issues, suggestions on how to fix it...