(feat)experiments: include network chaos in generic chart (#22)

Signed-off-by: ksatchit <karthik.s@openebs.io>

charts/generic/pod-network-loss/experiment.yaml

@@ -0,0 +1,29 @@
+apiVersion: litmuschaos.io/v1alpha1
+description:
+  message: |
+    Injects network packet loss on pods belonging to an app deployment
+kind: ChaosExperiment
+metadata:
+  name: pod-network-loss
+  version: 0.1.0
+spec:
+  definition:
+    image: "litmuschaos/ansible-runner:ci"
+    args:
+    - -c
+    - ansible-playbook ./experiments/generic/pod_network_loss/pod_network_loss_ansible_logic.yml -i /etc/ansible/hosts -vv; exit 0
+    command:
+    - /bin/bash
+    env:
+    - name: TARGET_CONTAINER
+      value: ""
+    - name: NETWORK_INTERFACE
+      value: "eth0"
+    - name: NETWORK_PACKET_LOSS_PERCENTAGE
+      value: "100" #in %
+    - name: TOTAL_CHAOS_DURATION
+      value: "60000" #in ms
+    - name: LIB
+      value: "pumba"
+    labels:
+      name: pod-network-loss

charts/generic/pod-network-loss/pod-network-loss.chartserviceversion.yaml

@@ -0,0 +1,33 @@
+apiVersion: litmuchaos.io/v1alpha1
+kind: ChartServiceVersion
+metadata:
+  name: pod-network-loss
+  version: 0.1.0
+  annotations:
+    categories: Kubernetes
+    vendor: CNCF
+    repository: https://github.com/litmuschaos/chaos-charts
+    support: https://slack.kubernetes.io/
+spec:
+  displayName: pod-network-loss
+  description: >
+    Pod-network-loss contains chaos to disrupt network connectivity to kubernetes pods. Experiments can inject percentage packet loss on the app replica pods. 
+  keywords:
+    - Kubernetes
+    - Network
+  maturity: alpha
+  maintainers:
+    - name: ksatchit
+      email: karthik.s@mayadata.io
+  minKubeVersion: 1.12.0
+  provider:
+    name: Mayadata
+  links:
+    - name: Kubernetes Website
+      url: https://kubernetes.io
+    - name: Source Code
+      url: https://github.com/kubernetes/kubernetes
+  icon:
+    - base64data: ""
+      mediatype: ""
+  chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/generic/pod-network-loss/experiment.yaml