Auto-generate markdown command docs (#4451)

* Finish updating

* a couple improvements

* Update renames

* cleanup examples

docs/commands/seq.md

@@ -1,46 +1,46 @@
-# seq
+---
+title: seq
+layout: command
+version: 0.59.0
+---
+
 Print sequences of numbers.
 
-## Usage
-```shell
-> seq ...args <subcommand> {flags} 
- ```
+## Signature
 
-## Subcommands
-* seq date - print sequences of dates
+```> seq ...rest --separator --terminator --widths```
 
 ## Parameters
-* ...args: sequence values
 
-## Flags
-* -h, --help: Display this help message
-* -s, --separator <string>: separator character (defaults to \n)
-* -t, --terminator <string>: terminator character (defaults to \n)
-* -w, --widths: equalize widths of all numbers by padding with zeros
+ -  `...rest`: sequence values
+ -  `--separator {string}`: separator character (defaults to \n)
+ -  `--terminator {string}`: terminator character (defaults to \n)
+ -  `--widths`: equalize widths of all numbers by padding with zeros
 
 ## Examples
-* sequence 1 to 10 with newline separator
+
+sequence 1 to 10 with newline separator
 ```shell
 > seq 1 10
- ```
+```
 
-* sequence 1.0 to 2.0 by 0.1s with newline separator
+sequence 1.0 to 2.0 by 0.1s with newline separator
 ```shell
 > seq 1.0 0.1 2.0
- ```
+```
 
-* sequence 1 to 10 with pipe separator
+sequence 1 to 10 with pipe separator
 ```shell
 > seq -s '|' 1 10
- ```
+```
 
-* sequence 1 to 10 with pipe separator padded with 0
+sequence 1 to 10 with pipe separator padded with 0
 ```shell
 > seq -s '|' -w 1 10
- ```
+```
 
-* sequence 1 to 10 with pipe separator padded by 2s
+sequence 1 to 10 with pipe separator padded by 2s
 ```shell
 > seq -s ' | ' -w 1 2 10
- ```
+```