chore(kube-components): Adding new experiment category (#373)

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

charts/kube-components/k8-prometheus-pushgateway/engine.yaml

@@ -0,0 +1,39 @@
+apiVersion: litmuschaos.io/v1alpha1
+kind: ChaosEngine
+metadata:
+  name: k8-prometheus-pushgateway
+  namespace: default
+spec:
+  appinfo:
+    appns: 'default'
+    applabel: "k8s-app=prometheus-pushgateway"
+    appkind: deployment
+  annotationCheck: 'false'
+  engineState: 'active'
+  chaosServiceAccount: chaos-admin
+  monitoring: false
+  jobCleanUpPolicy: 'retain'
+  experiments:
+    - name: k8-pod-delete
+      spec:
+        components:
+          env:
+            # set chaos namespace, we assume you are using the addon-metricset-ns if not modify the below namespace
+            - name: NAME_SPACE
+              value: addon-metricset-ns
+            # set chaos label name
+            - name: LABEL_NAME
+              value: k8s-app=prometheus-pushgateway
+            # pod endpoint
+            - name: APP_ENDPOINT
+              value: 'localhost'
+            - name: FILE
+              value: 'pod-custom-kill-health.json'
+            - name: REPORT
+              value: 'false'
+            - name: REPORT_ENDPOINT
+              value: 'none'
+            - name: TEST_NAMESPACE
+              value: 'default'
+
+