Autogenerate missing docs (#3514)

* Autogenerate missing docs

* Update ansi.md

* Rename question mark command docs

* Delete empty?.md

docs/commands/chart.md

@@ -0,0 +1,15 @@
+# chart
+Displays charts.
+
+## Usage
+```shell
+> chart <subcommand> {flags} 
+ ```
+
+## Subcommands
+* chart bar - Bar charts
+* chart line - Line charts
+
+## Flags
+* -h, --help: Display this help message
+