readme tweak for early publish

Author: calebcartwright

README.md

@@ -3,8 +3,10 @@
 Repository for automatically publishing the below crates every Tuesday.
 
 - [rustc-ap-rustc_ast][rustc-ast-crate] [![rustc_ast version][rustc-ast-version-badge]][rustc-ast-crate]
-- [rustc-ap-rustc_expand](https://crates.io/crates/rustc-ap_rustc_expand)
+- [rustc-ap-rustc_expand][rustc-expand-crate] [![rustc_expand version][rustc-expand-version-badge]][rustc-expand-crate]
 - [rustc-ap-rustc_parse](https://crates.io/crates/rustc-ap_rustc_parse)
 
 [rustc-ast-version-badge]: https://img.shields.io/crates/v/rustc-ap_rustc_ast?style=flat-square
 [rustc-ast-crate]: https://crates.io/crates/rustc-ap_rustc_ast
+[rustc-expand-version-badge]: https://img.shields.io/crates/v/rustc-ap_rustc_expand?style=flat-square
+[rustc-expand-crate]: https://crates.io/crates/rustc-ap_rustc_expand