Updates README to reflect proper title.

Signed-off-by: Ethan Mahintorabi <ethanmoon@google.com>
diff --git a/README.rst b/README.rst
index 7c44474..1110ea7 100644
--- a/README.rst
+++ b/README.rst
@@ -4,3 +4,5 @@
     :maxdepth: 1
     :name: sky130-reram-top
     docs/user_guide
+
+v2.0.3