add doc/mod/inspectvar

(cherry picked from commit 002315035c)

README.md

@@ -239,6 +239,7 @@ Available modules
 
 * [Manage ports in bridge](doc/mod/bridge-port-to.md)
 * [Manage VLANs on bridge ports](doc/mod/bridge-port-vlan.md)
+* [Inspect variables](doc/mod/inspectvar.md)
 * [Send notifications via Matrix](doc/mod/notification-matrix.md)
 * [Send notifications via Telegram](doc/mod/notification-telegram.md)
 

doc/mod/inspectvar.md

@@ -0,0 +1,33 @@
+Inspect variables
+=================
+
+[◀ Go back to main README](../../README.md)
+
+> ℹ️️ **Info**: This module can not be used on its own but requires the base
+> installation. See [main README](../../README.md) for details.
+
+Description
+-----------
+
+RouterOS handles not just scalar variables, but also arrays - even nested.
+This module adds a function to inspect variables.
+
+Requirements and installation
+-----------------------------
+
+Just install the module:
+
+    $ScriptInstallUpdate mod/inspectvar;
+
+Usage and invocation
+--------------------
+
+Call the function `$InspectVar` with a variable as parameter:
+
+    $InspectVar $ModeButton
+
+![InspectVar](inspectvar.d/inspectvar.avif)
+
+---
+[◀ Go back to main README](../../README.md)  
+[▲ Go back to top](#top)