Incongruence in documentation

[GiuseppeChillemi]

In the main readme on GITHUB you read:

Install Red (Note: For Windows user, need to run red.exe --cli)

On Windows 10 "--cli" is automatically added and if you add another one this led to an incorrect command line

[qtxie]

Install Red (Note: For Windows user, need to run red.exe --cli)

This is a step in Quick Start. It is for the user who haven't set "red.redPath". So you have to run red.exe --cli in the CMD once, otherwise the plugin don't know where to find the Red interpreter. The red.redPath is only for the user who want to compile Red source code directly using the plugin.

Maybe change it to this is more clear:

* Install Red Interpreter
  Run red.exe once in the terminal. 
  (Note: For Windows user, need to add the `--cli` option, red.exe --cli)

We're willing to make the document more clear, any suggestions are welcome. :-)