[Feature Request] More useful --init file

I propose the use of a more useful default init file, which also includes the website's URL (like Task does), for example:

# https://just.systems

[private]
@default:
  just --list

It will then behave, after the user has added more recipes, like this:

$ just
Available recipes:
    ramdisk     # mounts a Ramdisk at /mnt/ramdisk
    system-info # prints basic system info

Making the default recipe quiet and private makes it a lot cleaner, and the reasoning behind adding the URL is twofold:

Existing users can more easily find the link to the documentation;
New users that don't know what a "justfile" is, can open the link inside it and learn more.

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