Autogenerate missing docs (#3514)

* Autogenerate missing docs

* Update ansi.md

* Rename question mark command docs

* Delete empty?.md

docs/commands/do.md

@@ -0,0 +1,32 @@
+# do
+Runs a block, optionally ignoring errors.
+
+## Usage
+```shell
+> do <block> ...args {flags} 
+ ```
+
+## Parameters
+* `<block>` the block to run 
+* ...args: the parameter(s) for the block
+
+## Flags
+* -h, --help: Display this help message
+* -i, --ignore-errors: ignore errors as the block runs
+
+## Examples
+  Run the block
+```shell
+> do { echo hello }
+ ```
+
+  Run the block and ignore errors
+```shell
+> do -i { thisisnotarealcommand }
+ ```
+
+  Run the block with a parameter
+```shell
+> do { |x| $x + 100 } 55
+ ```
+