Update README.md (dart-lang/pub_semver#65)

pkgs/pub_semver/README.md

diff --git a/pkgs/pub_semver/README.md b/pkgs/pub_semver/README.md
index 5e0c36c..8282501 100644
--- a/pkgs/pub_semver/README.md
+++ b/pkgs/pub_semver/README.md
@@ -1,3 +1,6 @@
+[![Dart CI](https://github.com/dart-lang/pub_semver/actions/workflows/test-package.yml/badge.svg)](https://github.com/dart-lang/pub_semver/actions/workflows/test-package.yml)
+[![Pub](https://img.shields.io/pub/v/pub_semver.svg)](https://pub.dev/packages/pub_semver)
+
 Handles version numbers and version constraints in the same way that [pub][]
 does. The semantics here very closely follow the
 [Semantic Versioning spec version 2.0.0-rc.1][semver]. It differs from semver