create codeowners file
diff --git a/CODEOWNERS b/CODEOWNERS
new file mode 100644
index 0000000..89037e6
--- /dev/null
+++ b/CODEOWNERS
@@ -0,0 +1,4 @@
+# This codebase has shared ownership and responsibility.
+* @hashicorp/terraform-core
+* @hashicorp/terraform-devex
+* @hashicorp/tf-editor-experience