Update TodoApp example readme with Web app (JetBrains#796)

examples/todoapp/README.md

@@ -2,7 +2,8 @@ An example of Kotlin Multiplatform todo app with shared Android/Desktop Compose
 
 This example supports the following targets: 
 - `Android` (Compose)
-- `JVM` (Compose)
+- `Desktop/JVM` (Compose)
+- `Web/JavaScript` (Compose)
 - `iOS` (SwiftUI, not Compose)
 
 Libraries used:
@@ -18,9 +19,10 @@ There are multiple modules:
 - `:common:main` - displays a list of todo items and a text field
 - `:common:edit` - accepts an item id and allows editing
 - `:common:root` - navigates between `main` and `edit` screens
-- `:common:compose-ui` - Shared Compose UI for `main` and `edit` screens
+- `:common:compose-ui` - Shared Compose UI for Android and Desktop
 - `:android` - Android application
 - `:desktop` - Desktop application
+- `:web` - Web browser application + Compose Web UI 
 - `ios` - iOS Xcode project
 
 The root module is integrated into Android, Desktop and iOS (non-Compose) apps.
@@ -29,7 +31,7 @@ Features:
 - 99% of the code is shared: data, business logic, presentation, navigation and UI
 - View state is preserved when navigating between screens, Android configuration change, etc.
 - Model-View-Intent (aka MVI) architectural pattern
-- Pluggable UI - Compose UI for Android and Desktop, SwiftUI (not Compose) for iOS
+- Pluggable UI - Compose UI for Android, Desktop and Web, SwiftUI (not Compose) for iOS
 
 ### Running desktop application
 ```
@@ -46,6 +48,11 @@ Features:
 
 Open project in Intellij IDEA or Android Studio and run "android" configuration.
 
+### Running Web browser application
+```
+./gradlew :web:jsBrowserDevelopmentRun
+```
+
 ### Running iOS application
 
 Open and build the Xcode project located in `ios` folder.