feat: add icons to state chart history

CHANGES.md

@@ -4,6 +4,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+### Improved
+- The history in the state chart debugger now uses little icons to show the type history entry. This makes it easier to see what happened at a glance. A big thanks goes out to [Alireza Zamani](https://github.com/alitnk) for suggesting this improvement.
 
 ## [0.13.0] - 2024-01-30
 ### Breaking Change

addons/godot_state_charts/utilities/debugger_history.gd

@@ -28,22 +28,22 @@ func add_history_entry(frame:int, text:String):
 
 ## Adds a transition to the history list.
 func add_transition(frame:int, name:String, from:String, to:String):
-	add_history_entry(frame, "Transition: %s from %s to %s" % [name, from, to])
+	add_history_entry(frame, "↪️ Transition: %s from %s to %s" % [name, from, to])
 
 
 ## Adds an event to the history list.
 func add_event(frame:int, event:StringName):
-	add_history_entry(frame, "Event received: %s" % event)
+	add_history_entry(frame, "⚡ Event received: %s" % event)
 
 
 ## Adds a state entered event to the history list.
 func add_state_entered(frame:int, name:StringName):
-	add_history_entry(frame, "Enter: %s" % name)
+	add_history_entry(frame, "🟢 Enter: %s" % name)
 
 
 ## Adds a state exited event to the history list.
 func add_state_exited(frame:int, name:StringName):
-	add_history_entry(frame, "exiT: %s" % name)
+	add_history_entry(frame, "🔴 Exit: %s" % name)
 
 
 ## Clears the history.