feat: added echo server and moved script in demo

Signed-off-by: Sanskarzz <[email protected]>

demo/echo-service.yaml

@@ -0,0 +1,33 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: echo
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: echo
+  template:
+    metadata:
+      labels:
+        app: echo
+    spec:
+      containers:
+      - name: echo
+        image: mendhak/http-https-echo
+        ports:
+        - containerPort: 8080
+
+---
+
+apiVersion: v1
+kind: Service
+metadata:
+  name: echo
+spec:
+  type: ClusterIP  
+  selector:
+    app: echo
+  ports:
+  - port: 8080
+    targetPort: 8080