docs: add example

examples/terragrunt.hcl

@@ -0,0 +1,37 @@
+include {
+  path = "${find_in_parent_folders()}"
+}
+
+terraform {
+  source = "github.com/clusterfrak-dynamics/terraform-aws-ecr.git?ref=v1.0.0"
+}
+
+locals {
+  aws_region  = basename(dirname(get_terragrunt_dir()))
+  env         = "production"
+  project     = "myproject"
+  custom_tags = yamldecode(file("${get_terragrunt_dir()}/${find_in_parent_folders("common_tags.yaml")}"))
+}
+
+inputs = {
+
+  env     = local.env
+  project = local.project
+
+  aws = {
+    "region" = local.aws_region
+  }
+
+  custom_tags = merge(
+    {
+      Env = local.env
+    },
+    local.custom_tags
+  )
+
+  registries = [
+    "myproject/one",
+    "myproject/two",
+    "myproject/three"
+  ]
+}