Auto-generate markdown command docs (#4451)

* Finish updating

* a couple improvements

* Update renames

* cleanup examples

docs/commands/mv.md

@@ -1,31 +1,17 @@
-# mv
+---
+title: mv
+layout: command
+version: 0.59.0
+---
+
 Move files or directories.
 
-## Usage
-```shell
-> mv <source> <destination> {flags} 
- ```
+## Signature
+
+```> mv (source) (destination)```
 
 ## Parameters
-* `<source>` the location to move files/directories from
-* `<destination>` the location to move files/directories to
 
-## Flags
-* -h, --help: Display this help message
-
-## Examples
-  Rename a file
-```shell
-> mv before.txt after.txt
- ```
-
-  Move a file into a directory
-```shell
-> mv test.txt my/subdirectory
- ```
-
-  Move many files into a directory
-```shell
-> mv *.txt my/subdirectory
- ```
+ -  `source`: the location to move files/directories from
+ -  `destination`: the location to move files/directories to