Autogenerate missing docs (#3514)

* Autogenerate missing docs

* Update ansi.md

* Rename question mark command docs

* Delete empty?.md

docs/commands/str-capitalize.md

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+# str capitalize
+capitalizes text
+
+## Usage
+```shell
+> str capitalize ...args {flags} 
+ ```
+
+## Parameters
+* ...args: optionally capitalize text by column paths
+
+## Flags
+* -h, --help: Display this help message
+
+## Examples
+  Capitalize contents
+```shell
+> echo 'good day' | str capitalize
+ ```
+