chore: update example

Author: ecmadao

examples/roles/main.tf

@@ -0,0 +1,25 @@
+terraform {
+  required_providers {
+    bytebase = {
+      version = "1.0.18"
+      # For local development, please use "terraform.local/bytebase/bytebase" instead
+      source = "registry.terraform.io/bytebase/bytebase"
+    }
+  }
+}
+
+provider "bytebase" {
+  # You need to replace the account and key with your Bytebase service account.
+  service_account = "[email protected]"
+  service_key     = "bbs_BxVIp7uQsARl8nR92ZZV"
+  # The Bytebase service URL. You can use the external URL in production.
+  # Check the docs about external URL: https://www.bytebase.com/docs/get-started/install/external-url
+  url = "https://bytebase.example.com"
+}
+
+data "bytebase_role_list" "all" {
+}
+
+output "all_roles" {
+  value = data.bytebase_role_list.all
+}