snapdir-cli 1.0.0

snapdir CLI: the `snapdir` binary exposing all subcommands.
```
$ snapdir manifest --help
Print the manifest of a directory

Usage: snapdir manifest [OPTIONS] [PATH]

Arguments:
  [PATH]  Directory to describe

Options:
      --absolute              Emit absolute paths instead of `./`-relative paths
      --cache-dir <DIR>       Directory where the object cache is stored [env: SNAPDIR_CACHE_DIR=]
      --catalog <NAME>        Catalog adapter to use [env: SNAPDIR_CATALOG=]
      --no-follow             Do not follow symbolic links (plain `find` instead of `find -L`)
      --checksum-bin <NAME>   Checksum binary to mirror: `b3sum` (default), `md5sum`, `sha256sum`
      --store <URI>           Store URI: `protocol://location/path`
      --exclude <PATTERN>     Exclude paths matching the extended-regex PATTERN (supports the `%system%` / `%common%` macros)
      --id <ID>               Snapshot ID to operate on
      --paths <PATTERN>       Only include paths matching PATTERN
      --linked                Use symlinks instead of copies
      --force                 Force an action to run
      --purge                 Purge objects with invalid checksums
      --keep                  Keep the staging directory
      --dryrun                Run without making any changes
      --verbose               Enable verbose output
      --debug                 Enable debug output
      --location <DIR|STORE>  Context (directory or store) for catalog queries
  -h, --help                  Print help
  -V, --version               Print version

```