Merge branch 'feature/core' of https://github.com/solutionforest/workflow-engine-laravel into feature/core

* 'feature/core' of https://github.com/solutionforest/workflow-engine-laravel:
  Fix styling

# Conflicts:
#	packages/workflow-engine-core/src/Events/WorkflowCancelled.php
#	packages/workflow-engine-core/src/Events/WorkflowCompletedEvent.php
#	packages/workflow-engine-core/src/Events/WorkflowFailedEvent.php

Author: lam0819

packages/workflow-engine-core/src/Events/WorkflowCancelled.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace SolutionForest\WorkflowEngine\Events;
+
+class WorkflowCancelled
+{
+    public function __construct(
+        public readonly string $workflowId,
+        public readonly string $name,
+        public readonly string $reason = ''
+    ) {}
+}

packages/workflow-engine-core/src/Events/WorkflowCompletedEvent.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace SolutionForest\WorkflowEngine\Events;
+
+use SolutionForest\WorkflowEngine\Core\WorkflowInstance;
+
+class WorkflowCompletedEvent
+{
+    public WorkflowInstance $instance;
+
+    public function __construct(WorkflowInstance $instance)
+    {
+        $this->instance = $instance;
+    }
+}

packages/workflow-engine-core/src/Events/WorkflowFailedEvent.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace SolutionForest\WorkflowEngine\Events;
+
+use SolutionForest\WorkflowEngine\Core\WorkflowInstance;
+
+class WorkflowFailedEvent
+{
+    public WorkflowInstance $instance;
+
+    public \Exception $exception;
+
+    public function __construct(WorkflowInstance $instance, \Exception $exception)
+    {
+        $this->instance = $instance;
+        $this->exception = $exception;
+    }
+}