docs: Added some documentation, added docs versioning

README.md

@@ -1 +1,24 @@
-# cis-pushover
+# CIS Pushover Client
+
+A client for Pushover, a service for sending notifications. Typesafe.
+Supports sending the same message to multiple users.
+
+## Installation
+
+⚠️ This package is **not yet published** to npm.
+
+```bash
+pnpm add @cis-oss/pushover
+```
+
+```bash
+npm install @cis-oss/pushover
+```
+
+```bash
+yarn add @cis-oss/pushover
+```
+
+```bash
+bun add @cis-oss/pushover
+```