docs: ruby segment

docs/docs/segment-ruby.md

@@ -0,0 +1,32 @@
+---
+id: ruby
+title: Ruby
+sidebar_label: Ruby
+---
+
+## What
+
+Display the currently active ruby version.
+
+## Sample Configuration
+
+```json
+{
+  "type": "ruby",
+  "style": "powerline",
+  "powerline_symbol": "\uE0B0",
+  "foreground": "#ffffff",
+  "background": "#4063D8",
+  "properties": {
+    "prefix": " \uE791 "
+  }
+}
+```
+
+## Properties
+
+- display_version: `boolean` - display the ruby version - defaults to `true`
+- missing_command_text: `string` - text to display when the command is missing - defaults to empty
+- display_mode: `string` - determines when the segment is displayed
+  - `always`: the segment is always displayed
+  - `files`: the segment is only displayed when `*.rb`, `Gemfile` or `Rakefile` files are present (default)

docs/sidebars.js

@@ -25,6 +25,7 @@ module.exports = {
         "path",
         "python",
         "root",
+        "ruby",
         "session",
         "shell",
         "spotify",