These are the shortcuts that currently exist:
When you have a document open to type in, the following shortcuts can be used:
F2 is used to switch between reading and writing mode when team captioning. You will see in the top right section if you're reading or writing.
Open up the options.
Show a side menu with currently active autocorrects.
Add a new autocorrect, based on the last typed word. It will be added to the first list, defined by alphabet.