Remember the rules for this are

• Try to use only the information given up to this point in this book.
• Try not to give up until you've given it a solid attempt

Make a Justfile with a recipe named hello that runs echo "hello".

Test it by running just hello.

Make a run recipe that launches one of your programs.

Take the commands you used to compile one of your projects and put them into a Justfile.

Ensure that just compile will compile your code and just clean will delete any output directories.

Expand the Justfile from the previous challenge to also package your code into a JAR.

Expand the Justfile from the previous challenge to compile and package multiple modules, not just one.