Autogenerate missing docs (#3514)

* Autogenerate missing docs

* Update ansi.md

* Rename question mark command docs

* Delete empty?.md

docs/commands/math-floor.md

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+# math floor
+Applies the floor function to a list of numbers
+
+## Usage
+```shell
+> math floor {flags} 
+ ```
+
+## Flags
+* -h, --help: Display this help message
+
+## Examples
+  Apply the floor function to a list of numbers
+```shell
+> echo [1.5 2.3 -3.1] | math floor
+ ```
+