mz_entity - CLI documentation

The arguments of some options do not have a clear type. For example:

    --add ADD ADD
    --kdb KDB
    --kdbgen KDBGEN
    --state STATE                # According to the examples, STATE is an UUID
    --depth DEPTH
    --print FILE_PRINT           # Is FILE_PRINT an UUID ?
    --rec REC
    --remove_file REMOVE_FILE    # Is REMOVE_FILE a CHECKSUM ?

Some typo can be found. For example:

    --recover RECOVER     restore file form dataset    # from instead of form

Some options do not have a clear description and/or no use example to understand. For example:

    --force               force	
    --retrieve            retrieve
    --grab                grab
    --recursive           recover files from dataset recursive