Added all commands

04-parallelPipeline.groovy

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+pipeline {
+    agent none
+    stages {
+        stage("foo") {
+            steps {
+                parallel(
+                         first: {
+                                 echo "First branch"
+                             },
+                         second: {
+                                 echo "Second branch"
+                             }
+                         )
+            }
+        }
+    }
+}
+
+
+