docs: update command doc generation

Signed-off-by: Massimiliano Giovagnoli <me@maxgio.it>

feat(pkg/find): enable colly to run async

Signed-off-by: Massimiliano Giovagnoli <me@maxgio.it>

fix(cmd): correct bind flag to name regex option

Signed-off-by: Massimiliano Giovagnoli <me@maxgio.it>

new(cmd): set wildcard as default name for directories and files.

Moreover, add unit tests for shallow finds.

Signed-off-by: Massimiliano Giovagnoli <me@maxgio.it>

initial commit

Signed-off-by: Massimiliano Giovagnoli <me@maxgio.it>