Autogenerate missing docs (#3514)

* Autogenerate missing docs

* Update ansi.md

* Rename question mark command docs

* Delete empty?.md

docs/commands/xpath.md

@@ -0,0 +1,14 @@
+# xpath
+execute xpath query on xml
+
+## Usage
+```shell
+> xpath <query> {flags} 
+ ```
+
+## Parameters
+* `<query>` xpath query
+
+## Flags
+* -h, --help: Display this help message
+