Auto-generate markdown command docs (#4451)

* Finish updating

* a couple improvements

* Update renames

* cleanup examples

docs/commands/random_integer.md

@@ -0,0 +1,38 @@
+---
+title: random integer
+layout: command
+version: 0.59.0
+---
+
+Generate a random integer [min..max]
+
+## Signature
+
+```> random integer (range)```
+
+## Parameters
+
+ -  `range`: Range of values
+
+## Examples
+
+Generate an unconstrained random integer
+```shell
+> random integer
+```
+
+Generate a random integer less than or equal to 500
+```shell
+> random integer ..500
+```
+
+Generate a random integer greater than or equal to 100000
+```shell
+> random integer 100000..
+```
+
+Generate a random integer between 1 and 10
+```shell
+> random integer 1..10
+```
+