add badges

README.md

@@ -1,5 +1,11 @@
 # node-ntfy-publish
 
+[![npm (scoped)](https://img.shields.io/npm/v/@cityssm/ntfy-publish)](https://www.npmjs.com/package/@cityssm/ntfy-publish)
+[![Code Climate maintainability](https://img.shields.io/codeclimate/maintainability/cityssm/node-ntfy-publish)](https://codeclimate.com/github/cityssm/node-ntfy-publish)
+[![Code Climate coverage](https://img.shields.io/codeclimate/coverage/cityssm/node-ntfy-publish)](https://codeclimate.com/github/cityssm/node-ntfy-publish)
+[![GitHub Workflow Status](https://img.shields.io/github/workflow/status/cityssm/node-ntfy-publish/Coverage%20Testing)](https://github.com/cityssm/node-ntfy-publish/actions/workflows/coverage.yml)
+[![Snyk Vulnerabilities for GitHub Repo](https://img.shields.io/snyk/vulnerabilities/github/cityssm/node-ntfy-publish)](https://app.snyk.io/org/cityssm/project/9cb1ed49-d59d-48a4-92aa-410b151c22ae)
+
 A Node package to publish push notifications to a phone or desktop
 through an [ntfy](https://ntfy.sh/) server.
 
@@ -22,3 +28,6 @@ await ntfyPublish({
     clickURL: "https://github.com/cityssm/node-ntfy-publish",
 });
 ```
+
+For information on how to subscribe to notifications on your phone or desktop,
+[visit the ntfy website](https://ntfy.sh/).