Resolve #9, support scanning a whole monorepo. Add --force (to clear …cache), --recursive (for monorepo), --help, --verbose (for the old output), new output has a progress bar now

Resolve #9, support scanning a whole monorepo. Add --force (to clear …cache), --recursive (for monorepo), --help, --verbose (for the old output), new output has a progress bar now #7