fix: pre-commit tf validation with errexit

Author: iru

.pre-commit-terraform-validate-examples.sh

@@ -1,9 +1,13 @@
 #!/bin/bash
 
-for dir in examples/*
+# ensure errexit + failfast
+set -o errexit
+
+for dir in examples*/*
 do
   echo validating example [$dir]
   cd $dir
+  terraform init
   terraform validate
-  cd ..
+  cd ../..
 done