Add .NET SDK Sync Streams documentation

sync/streams/overview.mdx

@@ -45,12 +45,14 @@ Sync Streams will be supported alongside Sync Rules for the foreseeable future,
     * React hooks: v1.8.0
   * Dart: v1.16.0
   * Kotlin: v1.7.0
+  * .NET: v0.0.9-alpha.1
   * Swift: [In progress](https://github.com/powersync-ja/powersync-swift/pull/86).
-* Use of the [Rust-based sync client](https://releases.powersync.com/announcements/improved-sync-performance-in-our-client-sdks)
-  <Expandable title=" instructions">
+* Use of the [Rust-based sync client](https://releases.powersync.com/announcements/improved-sync-performance-in-our-client-sdks). The Rust-based sync client is enabled by default on the latest version of all SDKs. If you are on a lower version, follow the instructions below to enable it.
+
+  <Expandable title="Instructions for enabling Rust client on lower SDK versions">
   <Tabs>
     <Tab title="JS">
-        In JavaScript SDKs, pass the `clientImplementation` option when connecting:
+        The Rust client became the default in Web SDK v1.32.0, React Native SDK v1.29.0, Node.js SDK v0.16.0, and Capacitor SDK v0.3.0. For lower versions, pass the `clientImplementation` option when connecting:
 
         ```js
         await db.connect(new MyConnector(), {
@@ -61,7 +63,7 @@ Sync Streams will be supported alongside Sync Rules for the foreseeable future,
         You can migrate back to the JavaScript client later by removing the option.
     </Tab>
     <Tab title="Dart">
-        Pass the `syncImplementation` option when connecting:
+        The Rust client became the default in Flutter/Dart SDK v1.17.0. Pass the `syncImplementation` option when connecting:
 
         ```dart
         database.connect(
@@ -75,7 +77,7 @@ Sync Streams will be supported alongside Sync Rules for the foreseeable future,
         You can migrate back to the Dart client later by removing the option.
     </Tab>
     <Tab title="Kotlin">
-        Pass the `newClientImplementation` option when connecting:
+        The Rust client became the default in Kotlin SDK v1.9.0. For lower versions, pass the `newClientImplementation` option when connecting:
 
         ```kotlin
         //@file:OptIn(ExperimentalPowerSyncAPI::class)
@@ -87,7 +89,7 @@ Sync Streams will be supported alongside Sync Rules for the foreseeable future,
         You can migrate back to the Kotlin client later by removing the option.
     </Tab>
     <Tab title="Swift">
-        Pass the `newClientImplementation` option when connecting:
+        The Rust client became the default in Swift SDK v1.8.0. For lower versions, pass the `newClientImplementation` option when connecting:
 
         ```swift
         @_spi(PowerSyncExperimental) import PowerSync
@@ -99,6 +101,9 @@ Sync Streams will be supported alongside Sync Rules for the foreseeable future,
 
         You can migrate back to the Swift client later by removing the option.
     </Tab>
+    <Tab title=".NET">
+        The Rust client was introduced as the default in .NET SDK v0.0.5-alpha.1. No additional configuration is required.
+    </Tab>
   </Tabs>  
   </Expandable>
 * Sync Stream definitions. They are currently defined in the same YAML file as Sync Rules: `sync_rules.yaml` (PowerSync Cloud) or `config.yaml` (Open Edition/self-hosted). To enable Sync Streams, add the following configuration:
@@ -395,6 +400,23 @@ Select your language for specific examples:
     ```
     </Tab>
 
+    <Tab title=".NET">
+    ```csharp
+    var sub = await db.SyncStream("issues", new Dictionary<string, object> { { "id", "issue-id" } })
+        .Subscribe(new SyncStreamSubscribeOptions { Ttl = TimeSpan.FromHours(1) });
+
+    // Resolve current status for subscription
+    var status = db.CurrentStatus.ForStream(sub);
+    var progress = status?.Progress;
+
+    // Wait for this subscription to have synced
+    await sub.WaitForFirstSync();
+
+    // When the component needing the subscription is no longer active...
+    sub.Unsubscribe();
+    ```
+    </Tab>
+
     <Tab title="Swift - Coming soon">
         Coming soon
     </Tab>