add obsolete note (#593)

fxOne · web-flow · commit 7a7f0869014d · 2022-01-30T08:30:12.000-05:00
diff --git a/README.md b/README.md
@@ -1,3 +1,7 @@
+# Obsolete
+
+This is repository is obsolete as [relay@13](https://github.com/facebook/relay/releases/tag/v13.0.0) now supports TypeScript directly.
+
 # relay-compiler-language-typescript
 
 [![Build Status](https://travis-ci.org/relay-tools/relay-compiler-language-typescript.svg?branch=master)](https://travis-ci.org/relay-tools/relay-compiler-language-typescript)
