Create README.md

README.md

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+# swift-log-data
+
+A swift-log backend which using SwiftData to store log.
+
+## Quick Start - SwiftUI
+
+1. Register the model container in the scene that you may logging. 
+
+   Here is an example that regsiter the model in to the main scene.
+
+   ```swift
+   import DataLogger
+
+   @main
+   struct Example_App: App {
+       var body: some Scene {
+           WindowGroup {
+               ContentView()
+           }
+           .logContainer()
+       }
+   }
+   ```
+
+2. Bootstrap the logger.
+
+   ```swift
+   import Logging
+   // Initializer in Example_App
+   init() {
+       LoggingSystem.bootstrap(DataLogger.init)
+   }
+   ```
+
+3. Use the swift-log API for logging. For more details, please check [swift-log Github Repo](https://github.com/apple/swift-log).
+
+## Read the logs
+
+If you are using SwiftUI, you can use environmental `logActor` to access the logging actor.
+
+```swift
+@Environment(\.logActor) var logActor
+
+func getLogs() async throws -> [Log] {
+    try await logActor.fetch()
+}
+```
+
+The model store of logs stored in /Container/Library/Logs