Autogenerate missing docs (#3514)

* Autogenerate missing docs

* Update ansi.md

* Rename question mark command docs

* Delete empty?.md

docs/commands/str-contains.md

@@ -0,0 +1,27 @@
+# str contains
+Checks if string contains pattern
+
+## Usage
+```shell
+> str contains <pattern> ...args {flags} 
+ ```
+
+## Parameters
+* `<pattern>` the pattern to find
+* ...args: optionally check if string contains pattern by column paths
+
+## Flags
+* -h, --help: Display this help message
+* -i, --insensitive: search is case insensitive
+
+## Examples
+  Check if string contains pattern
+```shell
+> echo 'my_library.rb' | str contains '.rb'
+ ```
+
+  Check if string contains pattern case insensitive
+```shell
+> echo 'my_library.rb' | str contains -i '.RB'
+ ```
+