diff --git a/Jenkinsfile.groovy b/Jenkinsfile.groovy
new file mode 100644
index 0000000..fc6dc23
--- /dev/null
+++ b/Jenkinsfile.groovy
@@ -0,0 +1,13 @@
+pipeline {
+    agent any
+    environment {
+        PATH = "/var/lib/jenkins/.bun/bin:${env.PATH}"
+    }
+    stages {
+        stage('Test') {
+            echo 'Testing...'
+            echo 'Is Bun working?...'
+            sh 'bun --version'
+        }
+    }
+}
\ No newline at end of file
diff --git a/md/learn/classes/magic.md b/md/learn/classes/magic.md
index 640d376..cea5970 100644
--- a/md/learn/classes/magic.md
+++ b/md/learn/classes/magic.md
@@ -16,5 +16,10 @@ class Cat
 
 
 ```thp
+val option = Some("GAAA")
+val Some(value) = option
+
+val colors = Array("red", "green", "blue")
+val Array()
 
 ```