add ci (#140)

scripts/terraform-validate.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+error=false
+
+folders=$CHANGED_FOLDERS
+for f in ${folders//,/ }
+do
+	f=$(echo $f | xargs echo -n)
+  (echo "===> Terraform validating in" /src/$f && cd /src/$f && rm -f .terraform.lock.hcl && rm -rf .terraform && terraform init -upgrade && terraform validate -json | jq -e .valid) || error=true
+  if ${error}; then
+     echo "------------------------------------------------"
+     echo ""
+     echo "Some Terraform codes contain errors."
+     echo "$(cd /src/$f && terraform validate -json)"
+     echo ""
+     exit 1
+  fi
+done
+
+exit 0