Hypr Ecosystem/hyprpaper: document order option

Added in hyprwm/hyprpaper#336

Author: silasjmatson

content/Hypr Ecosystem/hyprpaper.md

@@ -46,6 +46,7 @@ Wallpapers are set as anonymous special categories. Monitor can be left empty fo
 | `path` | Path to an image file or a directory containing image files (non recursively) | path |
 | `fit_mode` | Determines how to display the image. Optional and defaults to `cover` | `contain`\|`cover`\|`tile`\|`fill` |
 | `timeout` | Timeout between each wallpaper change (in seconds, if `path` is a directory). Optional and defaults to 30 seconds | int |
+| `order`    | Determines the order to display images when a directory is passed to the `path` option. Optional, currently only supported value is `random` | `random`                             |
 
 ```ini
 wallpaper {