Temporary Keybinds due to hand injury

I recently got an injury to my left hand and I must rearrange the keybinds while some of my left fingers heal.

Is there a way to store the curreny keybinds so that I may load it back once I have my left hand whole again?

There are backup and restore options at the character select screen. One (a gear button in the top right corner) lets you store or recall system settings that apply to everyone and the other (for each character in the list) lets you store or recall character-specific settings.