Update cli-commands.md (#8143)

docs/docs/cli-commands.md

@@ -399,6 +399,29 @@ You can pass any flags to the command and use them within your script:
 
 See [this how to](how-to/background-worker.md) for an example of using exec to run a background worker.
 
+## experimental
+
+Set up and run experimental features.
+
+Some caveats:
+- these features do not follow SemVer (may be breaking changes in minor and patch releases)
+- these features may be deprecated or removed (anytime)
+- your feedback is wanted and necessary!
+
+For more information, including details about specific features, see this Redwood Forum category:
+[Experimental Features](https://community.redwoodjs.com/c/experimental-features/25)
+
+**Available Experimental Features**
+View all that can be _set up_:
+```
+yarn redwood experimental setup --help
+```
+
+View all that can be _run_:
+```
+yarn redwood experimental --help
+```
+
 ## generate (alias g)
 
 Save time by generating boilerplate code.