add common subcommands to the top-level Justfile

[joshuadavidthomas]

closes #205
closes #251

Command	Description
bootstrap	Prepare local environment by installing dependencies and building Docker containers
clean	Delete cache, coverage, and dependency directories and stop and delete Docker containers including volumes
console*	Open a bash shell in a Docker container
down	Stop docker compose stack
lint	Lint project
lock	Generate lockfiles for all project tools
logs	Print Docker Compose logs
migrate	Run Django migrations
makemigrations/mm	Generate Django migrations
manage	Run Django management command
refresh**	Bring down Docker Compose stack, bootstrap local environment, and start Docker Compose stack in the background
setup	Clean and bootstrap local environment, start Docker Compose stack, run Django migrations and create superuser account, and run tests, type checkers, and linters
shell*	Open a Docker container's runtime console (e.g. a Python REPL, psql, etc.)
start	Start the Docker Compose stack in the background
stop	Stop the Docker Compose stack
tail	Follow the Docker Compose logs
test	Run all project tests, including generating code coverage
up	Start the Docker Compose stack in the foreground
update	Pull latest Docker images, lock Python and Node dependencies, and bootstrap local environment
upgrade	Bump dependencies to latest versions

Breaking Changes

*console and shell commands have been swapped
**server command has been renamed to refresh and changed to starting the compose stack detached at the end, instead of in the foreground