Program invocation is reversed

[willkill07]

The default action (without parameters) should start the GUI.

Specifying --cli should launch the CLI. I do NOT want two separate commands. There should be a single entrypoint.

`` Program invocation is reversed

• [x] add a conditional statement to the package file
• [x] check the arguments passed into the npm command line
• [x] update package.json scripts to reflect changes
• [x] update readMe

Primary: @jjriver1

Secondary: @mharrison7787

Tertiary: @JSteve0

Size: lapis

Actual Size: Emerald

Actual Time: 3 hours ``