[FEATURE] Warn people about supported browsers and devices

[James-Oswald]

The application should check the user agent and prevent devices with the wrong specs from running the application, by displaying a screen that lists supported things.

Supported Browsers:

• Chrome & Edge (Chromium)
• Firefox

Unsupported Browsers:

• Safari
• IE

Unsupported Devices:

• Things without a mouse
• Things without a keyboard

Todo:

• Other Chromium based browsers like Opera and OperaGX also probably work fine, check this
• Implement User agent detection
• implement warning screen