Autogenerate missing docs (#3514)

* Autogenerate missing docs

* Update ansi.md

* Rename question mark command docs

* Delete empty?.md

docs/commands/split.md

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+# split
+Split contents across desired subcommand (like row, column) via the separator.
+
+## Usage
+```shell
+> split <subcommand> {flags} 
+ ```
+
+## Subcommands
+* split chars - splits a string's characters into separate rows
+* split column - splits contents across multiple columns via the separator.
+* split row - splits contents over multiple rows via the separator.
+
+## Flags
+* -h, --help: Display this help message
+