Chore[New Exp]: Charts for HTTP Modify Header (#558)

* Added http modify header charts

Signed-off-by: avaakash <as86414@gmail.com>

charts/generic/pod-http-modify-header/pod-http-modify-header.chartserviceversion.yaml

@@ -0,0 +1,45 @@
+apiVersion: litmuchaos.io/v1alpha1
+kind: ChartServiceVersion
+metadata:
+  createdAt: 2022-07-13T2:14:08Z
+  name: pod-http-modify-header
+  version: 0.1.0
+  annotations:
+    categories: Kubernetes
+    vendor: CNCF
+    support: https://slack.kubernetes.io/
+spec:
+  displayName: pod-http-modify-header
+  categoryDescription: |
+    Pod-http-modify-header contains chaos to disrupt http requests of kubernetes pods. This experiment can modify headers of incoming requests or the response from the service targetted. 
+    - Causes modification of request/response headers of the HTTP request.
+    - The application pod should be healthy once chaos is stopped. Service-requests should be served despite chaos.
+  keywords:
+    - Kubernetes
+    - K8S
+    - HTTP
+    - Pod 
+    - Headers
+  platforms:
+    - GKE
+    - Minikube 
+    - EKS
+  maturity: alpha
+  maintainers:
+    - name: Akash Shrivastava
+      email: akash.shrivastava@harness.io
+  minKubeVersion: 1.12.0
+  provider:
+    name: Harness
+  labels:
+    app.kubernetes.io/component: chartserviceversion
+    app.kubernetes.io/version: latest
+  links:
+    - name: Source Code
+      url: https://github.com/litmuschaos/litmus-go/tree/master/experiments/generic/pod-http-modify-header
+    - name: Documentation
+      url: https://litmuschaos.github.io/litmus/experiments/categories/pods/pod-http-modify-header/
+  icon:
+    - base64data: ""
+      mediatype: ""
+  chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/generic/pod-http-modify-header/experiment.yaml