Autogenerate missing docs (#3514)

* Autogenerate missing docs

* Update ansi.md

* Rename question mark command docs

* Delete empty?.md

docs/commands/math-round.md

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+# math round
+Applies the round function to a list of numbers
+
+## Usage
+```shell
+> math round {flags} 
+ ```
+
+## Flags
+* -h, --help: Display this help message
+* -p, --precision <number>: digits of precision
+
+## Examples
+  Apply the round function to a list of numbers
+```shell
+> echo [1.5 2.3 -3.1] | math round
+ ```
+
+  Apply the round function with precision specified
+```shell
+> echo [1.555 2.333 -3.111] | math round -p 2
+ ```
+