changing tag from latest to main (#114)

Author: jverma-git

docs/get-started/labs/create-netpols.md

@@ -90,7 +90,7 @@ Name: `vote`
 image:
   repository: harbor.<your-domain>/team-<team-name>/vote
   pullPolicy: IfNotPresent
-  tag: latest
+  tag: main
 containerPorts:
   - name: http
     containerPort: 80
@@ -111,7 +111,7 @@ Name: `worker`
 image:
   repository: harbor.<your-domain>/team-<team-name>/worker
   pullPolicy: IfNotPresent
-  tag: latest
+  tag: main
 containerPorts:
   - name: http
     containerPort: 80
@@ -148,7 +148,7 @@ Name: `result`
 image:
   repository: harbor.<your-domain>/team-<team-name>/result
   pullPolicy: IfNotPresent
-  tag: latest
+  tag: main
 containerPorts:
   - name: http
     containerPort: 80