screenreader: Change to ScreenReader0 since it's not stable yet.

Added a note to the xml stating we will bump to ScreenReader1 once
the API becomes stable.

com.steampowered.SteamOSManager1.xml

@@ -301,8 +301,11 @@
   <!--
       com.steampowered.SteamOSManager1.ScreenReader1
       @short_description: Optional interface for managing a screen reader.
+    
+      This interface is considered unstable and may change between verisons.
+      Once it is considered stable it will be renamed to ScreenReader1
   -->
-  <interface name="com.steampowered.SteamOSManager1.ScreenReader1">
+  <interface name="com.steampowered.SteamOSManager1.ScreenReader0">
     <!--
         Enabled
 

src/manager/user.rs

@@ -154,7 +154,7 @@ struct PerformanceProfile1 {
     tdp_limit_manager: UnboundedSender<TdpManagerCommand>,
 }
 
-struct ScreenReader1 {
+struct ScreenReader0 {
     screen_reader: OrcaManager<'static>,
 }
 
@@ -623,15 +623,15 @@ impl PerformanceProfile1 {
     }
 }
 
-impl ScreenReader1 {
-    async fn new(connection: &Connection) -> Result<ScreenReader1> {
+impl ScreenReader0 {
+    async fn new(connection: &Connection) -> Result<ScreenReader0> {
         let screen_reader = OrcaManager::new(connection).await?;
-        Ok(ScreenReader1 { screen_reader })
+        Ok(ScreenReader0 { screen_reader })
     }
 }
 
-#[interface(name = "com.steampowered.SteamOSManager1.ScreenReader1")]
-impl ScreenReader1 {
+#[interface(name = "com.steampowered.SteamOSManager1.ScreenReader0")]
+impl ScreenReader0 {
     #[zbus(property)]
     async fn enabled(&self) -> bool {
         self.screen_reader.enabled()
@@ -986,7 +986,7 @@ pub(crate) async fn create_interfaces(
         proxy: proxy.clone(),
         channel: daemon,
     };
-    let screen_reader = ScreenReader1::new(&session).await?;
+    let screen_reader = ScreenReader0::new(&session).await?;
     let wifi_debug = WifiDebug1 {
         proxy: proxy.clone(),
     };