Autogenerate missing docs (#3514)

* Autogenerate missing docs

* Update ansi.md

* Rename question mark command docs

* Delete empty?.md

docs/commands/group-by-date.md

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+# group-by date
+creates a table grouped by date.
+
+## Usage
+```shell
+> group-by date (column_name) {flags} 
+ ```
+
+## Parameters
+* `(column_name)` the name of the column to group by
+
+## Flags
+* -h, --help: Display this help message
+* -f, --format <string>: Specify date and time formatting
+
+## Examples
+  Group files by type
+```shell
+> ls | group-by date --format '%d/%m/%Y'
+ ```
+