Generate documentation is wrong.

[angelodias-appno]

Right now it says it accepts a -o flag for overwriting.

When I run docsify generate -h it returns:

docsify generate <path>

Docsify's generators

Global Options
  --help, -h     Show help                                            [booleano]
  --version, -v  Show version number                       [booleano]

Options:
  --sidebar, -s  gen.sidebar                    [string] [padrão: "_sidebar.md"]

and if I try with -o:

Unknown argument: o

[sy-records]

see #182

It has not yet been released as a new version and you will need to build it locally to use it.