README refers to deprecated `checkout`
Description
Although the checkout command was deprecated, the README.md file explains using the "checkout" concept in 3 places.
Also, the screenshot examples use co alias.
Expected Behavior
The README explains in terms of the latest commands.
Actual Behavior
The README explains in old terms.
Specifications
- Version: 0.14.0
The 5th screenshot also refers to merge
Fixing this would involve adjusting the scripts in https://github.com/martinvonz/jj/tree/main/demos and then re-running https://github.com/martinvonz/jj/blob/main/demos/run_scripts.sh. I'll hopefully get to it at some point if nobody beats me to it.
This is also related to the renewed discussion in https://github.com/martinvonz/jj/pull/2842
In my mind, this is currently blocked on the decision of whether to turn on https://github.com/martinvonz/jj/pull/3501 by default.