Update README.md

README.md

@@ -2,3 +2,38 @@
 
 ![Swift 5.6](https://img.shields.io/badge/swift-5.6-orange.svg)
 ![platform iOS](https://img.shields.io/badge/platform-iOS-blue.svg)
+
+## 🛠 Development
+
+Open `ElixxirDAppsSDK.xcworkspace` in Xcode (≥13.4).
+
+### Project structure
+
+```
+ElixxirDAppsSDK [Xcode Workspace]
+ ├─ elixxir-dapps-sdk-swift [Swift Package]
+ |   └─ ElixxirDAppsSDK [Library]
+ └─ Example [Xcode Project]
+     ├─ ExampleApp (iOS) [iOS App Target]
+     ├─ example-app [Swift Package]
+     |   ├─ AppFeature [Library]
+     |   └─ ...
+     └─ example-app-icon [Swift Package] 
+         ├─ ExampleAppIcon [Library]
+         └─ example-app-icon-export [Executable]
+```
+
+### Build schemes
+
+- Use `exlixxir-dapps-sdk-swift` scheme to build the package with `ElixxirDAppsSDK` library.
+- Use `ExampleApp (iOS)` to build and run the example app.
+- Use `example-app` scheme to build and test the example app package with all contained libraries.
+- Use `ExampleAppIcon` scheme with macOS target to build and preview the example app icon.
+- Use `example-app-icon-export` scheme with macOS target to build and update the example app icon.
+- Use other schemes, like `AppFeature`, for building and testing individual libraries in isolation.
+
+## 📄 License
+
+Copyright © 2022 xx network SEZC
+
+[License](LICENSE)