Auto-generate markdown command docs (#4451)

* Finish updating

* a couple improvements

* Update renames

* cleanup examples

docs/commands/touch.md

@@ -1,55 +1,17 @@
-# touch
+---
+title: touch
+layout: command
+version: 0.59.0
+---
 
-Create one or more files in the current or an already existent directory.
-It has no effect on existing files.
-Unlike GNU touch, the access time and the modified time are not updated.
+Creates one or more files.
 
-`-h`, `--help`
-  Display help message.
+## Signature
 
-## Examples
+```> touch (filename) ...rest```
 
-Create a file in an empty folder. Then touch the file and list files again to observe that the modified time has not been updated.
+## Parameters
 
-```shell
-> ls
-> touch file.ext; ls
-──────────┬─────────────
- name     │ file.ext
- type     │ File
- size     │ 0 B
- modified │ 0 secs ago
-──────────┴─────────────
-> touch file.ext; ls
-──────────┬───────────
- name     │ file.ext
- type     │ File
- size     │ 0 B
- modified │ 10 secs ago
-──────────┴───────────
-```
+ -  `filename`: the path of the file you want to create
+ -  `...rest`: additional files to create
 
-Create a file within an already existent folder.
-
-```shell
-> mkdir dir
-> touch dir/file.ext; ls dir
-──────────┬───────────
- name     │ dir/file.ext
- type     │ File
- size     │ 0 B
- modified │ 0 secs ago
-──────────┴───────────
-```
-
-Create three files at once
-```shell
-> touch a b c
-> ls
-────┬────────────────────┬──────┬──────────┬──────────────
- #  │        name        │ type │   size   │   modified
-────┼────────────────────┼──────┼──────────┼──────────────
-  0 │ a                  │ File │      0 B │ 0 sec ago
-  1 │ b                  │ File │      0 B │ 0 sec ago
-  2 │ c                  │ File │      0 B │ 0 sec ago
-────┴────────────────────┴──────┴──────────┴──────────────