Fortnite should consider adding an option to upload and save custom presets for settings such as key binds, mouse sensitivity, and controller settings. Here's my suggestion for the implementation of this feature. :
Ninja: Get Good: My Ultimate Guide to Gaming: 9781984826756: Blevins, Tyler "Ninja": Books - Amazon.com
My Xbox Elite Controller Apex binds (using paddles, claw, and shift functions) : r/apexuniversity
Best Fortnite Keybinds and Settings - Fierce PC Blog | Fierce PC
What server(s) does Ninja play Fortnite on? - Quora
Ninja's Fortnite settings, keybinds, and sensitivity - Dot Esports