Doc: Add a demonstration GIF to the README

README.md

@@ -27,10 +27,14 @@ Behavior Trees are powerful hierarchical structures used to model and control th
 
 ## Demonstration
 
+![Charger from Demo](doc/images/demo_charger.gif)
+
+### Videos
+
 [![Demonstration](https://img.youtube.com/vi/NWaMArUg7mY/0.jpg)](https://www.youtube.com/watch?v=NWaMArUg7mY)
 
 >**🛈 Demo project** lives in the `demo` folder and is available separately in [**Releases**](https://github.com/limbonaut/limboai/releases).
-> It includes a tutorial providing an introduction to behavior trees with examples.
+> It contains a tutorial that introduces behavior trees and includes examples.
 
 ## Features
 

demo/demo/agents/03_agent_imp.tscn

@@ -5,7 +5,7 @@
 [ext_resource type="BehaviorTree" uid="uid://c2bxoo68ywb27" path="res://demo/ai/trees/03_agent_imp.tres" id="3_furh3"]
 
 [sub_resource type="BlackboardPlan" id="BlackboardPlan_aog23"]
-var/speed/name = "speed"
+var/speed/name = &"speed"
 var/speed/type = 3
 var/speed/value = 400.0
 var/speed/hint = 1