add markdown badges

pkgs/watcher/CHANGELOG.md

diff --git a/pkgs/watcher/CHANGELOG.md b/pkgs/watcher/CHANGELOG.md
index a2e3e0b..9104504 100644
--- a/pkgs/watcher/CHANGELOG.md
+++ b/pkgs/watcher/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 - Require Dart SDK >= 2.14
 - Ensure `DirectoryWatcher.ready` completes even when errors occur that close the watcher.
+- Add markdown badges to the readme.
 
 # 1.0.1