docs(README): Add ReadMe file

README.md

@@ -1,24 +1,48 @@
 # CIS Pushover Client
 
+![GitHub License](https://img.shields.io/github/license/cis-oss/pushover)
+![NPM Version](https://img.shields.io/npm/v/%40cis-oss%2Fpushover)
+![npm bundle size (scoped)](https://img.shields.io/bundlephobia/min/cis-oss/pushover?label=bundle%20size)
+
 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
 ```
 
+<details>
+<summary>Or using npm</summary>
+
 ```bash
 npm install @cis-oss/pushover
 ```
 
+</details>
+
+<details>
+<summary>Or use our meta-packages</summary>
+
 ```bash
-yarn add @cis-oss/pushover
+pnpm add @cis-oss/notify
 ```
 
 ```bash
-bun add @cis-oss/pushover
+pnpm add @cis-oss/notify-push
 ```
+
+</details>
+
+# Documentation
+
+Documentation can be found at [https://cis-oss.github.io/pushover](https://cis-oss.github.io/pushover).
+
+# Contributing
+
+Contributions are welcome! Please see [CONTRIBUTING.md](https://github.com/cis-oss/.github/blob/main/CONTRIBUTING.md) for details.
+
+Please make sure to read our [Code of Conduct](https://github.com/cis-oss/.github/blob/main/CODE_OF_CONDUCT.md) and [Support Policy](https://github.com/cis-oss/.github/blob/main/SUPPORT.md).
+
+Disclose security issues responsibly by following our [Security Policy](https://github.com/cis-oss/.github/blob/main/SECURITY.md).