Autogenerate missing docs (#3514)

* Autogenerate missing docs

* Update ansi.md

* Rename question mark command docs

* Delete empty?.md

docs/commands/url-query.md

@@ -0,0 +1,25 @@
+# url query
+gets the query of a url
+
+## Usage
+```shell
+> url query ...args {flags} 
+ ```
+
+## Parameters
+* ...args: optionally operate by column path
+
+## Flags
+* -h, --help: Display this help message
+
+## Examples
+  Get query of a url
+```shell
+> echo 'http://www.example.com/?foo=bar&baz=quux' | url query
+ ```
+
+  No query gives the empty string
+```shell
+> echo 'http://www.example.com/' | url query
+ ```
+