>> Please answer to all questions

18. We now want to tag the current commit as final so that we can refer to it easily in the future What is one command that will set the tag for the current commit as final? YOUR ANSWER GOES HERE 19. What is one command that will list all the available tags for the current git repository? YOUR ANSWER GOES HERE 20. Which directory stores all the data necessary for git to keep track of your project and its history