Autogenerate missing docs (#3514)

* Autogenerate missing docs

* Update ansi.md

* Rename question mark command docs

* Delete empty?.md

docs/commands/str-to-decimal.md

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+# str to-decimal
+converts text into decimal
+
+## Usage
+```shell
+> str to-decimal ...args {flags} 
+ ```
+
+## Parameters
+* ...args: optionally convert text into decimal by column paths
+
+## Flags
+* -h, --help: Display this help message
+
+## Examples
+  Convert to decimal
+```shell
+> echo '3.1415' | str to-decimal
+ ```
+