Auto-generate markdown command docs (#4451)

* Finish updating

* a couple improvements

* Update renames

* cleanup examples

docs/commands/tutor.md

@@ -0,0 +1,29 @@
+---
+title: tutor
+layout: command
+version: 0.59.0
+---
+
+Run the tutorial. To begin, run: tutor
+
+## Signature
+
+```> tutor (search) --find```
+
+## Parameters
+
+ -  `search`: item to search for, or 'list' to list available tutorials
+ -  `--find {string}`: Search tutorial for a phrase
+
+## Examples
+
+Begin the tutorial
+```shell
+> tutor begin
+```
+
+Search a tutorial by phrase
+```shell
+> tutor -f "$in"
+```
+