Fix launcher readme (#134)

* fix launcher readme

* Add import to example

Author: WyattMufson

packages/launcher/README.md

@@ -69,6 +69,8 @@ const { startUserSession } = useTreasure();
 ### Using Electron + React
 
 ```ts Main.ts
+import { getTreasureLauncherAuthToken } from "@treasure-dev/launcher";
+
 ipcMain.on("get-auth-token", (event, _arg) => {
     event.returnValue = getTreasureLauncherAuthToken();
 });
@@ -80,7 +82,9 @@ const getAuthToken = () =>
 
 <TreasureProvider
  ...
- getAuthTokenOverride={getAuthToken}
+    launcherOptions={{
+        getAuthTokenOverride: getAuthToken,
+    }}
 >
 ```