add master orientation workspace rule (#406)

pages/Configuring/Master-Layout.md

@@ -59,3 +59,17 @@ bind=MOD,KEY,layoutmsg,swapwithmaster master
 ```
 
 {{< /hint >}}
+
+
+# Workspace Rules
+
+`layoutopt` rules:
+| rule | description | type |
+| --- | --- | --- |
+| orientation:[o] | Sets the orientation of a workspace. For available orientations, see [Config->orientation](#config) | string |
+
+Example usage:
+
+```ini
+workspace = 2, layoutopt:orientation:top
+```

pages/Configuring/Workspace-Rules.md

@@ -5,6 +5,7 @@
 # Workspace Rules
 You can set workspace rules to achieve workspace-specific behaviors. For instance, you can define a workspace where all windows are drawn without borders or gaps.
 
+For layout-specific rules, see the specific layout page. For example: [Master Layout->Workspace Rules](../Master-Layout#workspace-rules)
 
 ## Syntax
 ```ini