Auto-generate markdown command docs (#4451)

* Finish updating

* a couple improvements

* Update renames

* cleanup examples

docs/commands/to_html.md

@@ -0,0 +1,38 @@
+---
+title: to html
+layout: command
+version: 0.59.0
+---
+
+Convert table into simple HTML
+
+## Signature
+
+```> to html --html_color --no_color --dark --partial --theme --list```
+
+## Parameters
+
+ -  `--html_color`: change ansi colors to html colors
+ -  `--no_color`: remove all ansi colors in output
+ -  `--dark`: indicate your background color is a darker color
+ -  `--partial`: only output the html for the content itself
+ -  `--theme {string}`: the name of the theme to use (github, blulocolight, ...)
+ -  `--list`: list the names of all available themes
+
+## Examples
+
+Outputs an  HTML string representing the contents of this table
+```shell
+> [[foo bar]; [1 2]] | to html
+```
+
+Optionally, only output the html for the content itself
+```shell
+> [[foo bar]; [1 2]] | to html --partial
+```
+
+Optionally, output the string with a dark background
+```shell
+> [[foo bar]; [1 2]] | to html --dark
+```
+