Fix to issue: 19

Quipdoc link: https://quip-amazon.com/TRvOALRCus5Y/One-Observability-Workshop-K8s-127-Upgrade#temp:s:temp:C:KMR264526f579274456b9adc4f0b;temp:C:KMR0b1f7c788331423892a4b060d

Author: arcegacardenas

PetAdoptions/envsetup.sh

@@ -73,3 +73,6 @@ git clone https://github.com/aws-samples/one-observability-demo
 
 # Fetch usage tracker file
 # aws s3api get-object --bucket one-observability-workshop-tracker --key lab_user.txt lab_user.txt --region us-east-1
+
+# Install helm
+curl -sSL https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3 | bash