Autogenerate missing docs (#3514)

* Autogenerate missing docs

* Update ansi.md

* Rename question mark command docs

* Delete empty?.md

docs/commands/url.md

@@ -0,0 +1,17 @@
+# url
+Apply url function.
+
+## Usage
+```shell
+> url <subcommand> {flags} 
+ ```
+
+## Subcommands
+* url host - gets the host of a url
+* url path - gets the path of a url
+* url query - gets the query of a url
+* url scheme - gets the scheme (eg http, file) of a url
+
+## Flags
+* -h, --help: Display this help message
+