Accept command line options for display and layout

[curtishall]

Currently we only support a fullscreen command line option. Adding a command line option would be useful for customers with multiple monitors / layouts:

For example: bluecherryclient.exe [ -l "layout name:monitor_number" ]

[curtishall]

https://bluecherry.freshdesk.com/a/tickets/22734

[bdlukaa]

A list of command lines that should be accepted:

• --[no]-fullscreen: starts the app in Fullscreen;
  • --[no]-immersive: starts the app in Immersive Mode
    • ~~--kiosk: only allow users to access the Layouts View;~~
• --[no]-wakelock: keeps the screen active when enabled;
• --[no]-cycle: whether the layout cycle is enabled;
• --layout="name": starts at the specified layout;
  • --layout-index=0: starts at the specified layout index;
• --theme=dark,light,system