Fix path in readme

There is a small error in the path of authConfig.js:
There is `App/client/authConfig.js`, but it should be `App/client/src/authConfig.js`

Author: felipmiguel

6-AdvancedScenarios/4-sign-in-hybrid/README.md

@@ -164,7 +164,7 @@ Open the project in your IDE (like Visual Studio or Visual Studio Code) to confi
 
 In addition:
 
-1. Open the `App/client/authConfig.js` file.
+1. Open the `App/client/src/authConfig.js` file.
 1. Find the string `Enter_the_Application_Id_Here` and replace the existing value with the application ID (clientId) of `msal-hybrid-spa` app copied
 1. Find the string `Enter_the_Tenant_Info_Here` and replace the existing value with your Azure AD tenant ID.