New `collect custom` command

Coverage report

Click to see where and how coverage changed

File	Statements	Missing	Coverage	Coverage (new stmts)
fractal_client
parser.py	$This PR adds 9 to the number of statements in fractal_client/parser.py, taking it from 174 to 183.$	$This PR doesn't change the number of statements missing coverage in fractal_client/parser.py, which is 0.$	$This PR doesn't change the coverage rate in fractal_client/parser.py, which is 100% (183/183).$	$In this PR, 9 new statements are added to fractal_client/parser.py, 9 of which are covered (100%).$
fractal_client/cmd
__init__.py	$This PR adds 5 to the number of statements in fractal_client/cmd/__init__.py, taking it from 198 to 203.$	$This PR doesn't change the number of statements missing coverage in fractal_client/cmd/__init__.py, which is 0.$	$This PR doesn't change the coverage rate in fractal_client/cmd/__init__.py, which is 100% (203/203).$	$In this PR, 5 new statements are added to fractal_client/cmd/__init__.py, 5 of which are covered (100%).$
_task.py	$This PR adds 18 to the number of statements in fractal_client/cmd/_task.py, taking it from 107 to 125.$	$This PR doesn't change the number of statements missing coverage in fractal_client/cmd/_task.py, which is 0.$	$This PR doesn't change the coverage rate in fractal_client/cmd/_task.py, which is 100% (125/125).$	$In this PR, 18 new statements are added to fractal_client/cmd/_task.py, 18 of which are covered (100%).$
Project Total