Update README.md (#110)

README.md

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 # AppState
 
+[![macOS Build](https://img.shields.io/github/actions/workflow/status/0xLeif/AppState/macOS.yml?label=macOS&branch=main)](https://github.com/0xLeif/AppState/actions/workflows/macOS.yml)
+[![Ubuntu Build](https://img.shields.io/github/actions/workflow/status/0xLeif/AppState/ubuntu.yml?label=Ubuntu&branch=main)](https://github.com/0xLeif/AppState/actions/workflows/ubuntu.yml)
+[![Windows Build](https://img.shields.io/github/actions/workflow/status/0xLeif/AppState/windows.yml?label=Windows&branch=main)](https://github.com/0xLeif/AppState/actions/workflows/windows.yml)
+[![License](https://img.shields.io/github/license/0xLeif/AppState)](https://github.com/0xLeif/AppState/blob/main/LICENSE)
+[![Version](https://img.shields.io/github/v/release/0xLeif/AppState)](https://github.com/0xLeif/AppState/releases)
+
 **AppState** is a Swift 6 library designed to simplify the management of application state in a thread-safe, type-safe, and SwiftUI-friendly way. It provides a set of tools to centralize and synchronize state across your application, as well as inject dependencies into various parts of your app.
 
 ## Requirements