feat(kubelet-service-kill): Adding ability to pass nodeName explictly in kubelet-service-kill (#264)

* feat(kubelet-service-kill): Adding ability to pass nodeName explictly in kubelet-service-kill

Signed-off-by: shubhamchaudhary <shubham.chaudhary@mayadata.io>

* Update engine.yaml

Co-authored-by: Karthik Satchitanand <karthik.s@mayadata.io>

charts/generic/kubelet-service-kill/experiment.yaml

@@ -55,5 +55,10 @@ spec:
 
     - name: LIB
       value: 'litmus'
+
+    # provide node name
+    - name: APP_NODE
+      value: ''
+
     labels:
       name: kubelet-service-kill