update directory name and access visibility

library_spo_utils/Interfaces/Services/ISharePointAuthenticationManager.cs

@@ -0,0 +1,10 @@
+using Microsoft.SharePoint.Client;
+
+namespace console_spo_utils.Interfaces.Services;
+
+internal interface ISharePointAuthenticationManager
+{
+    ClientContext GetContext(Uri web);
+    Task<string> EnsureAccessTokenAsync(Uri resourceUri, string userPrincipalName, string userPassword);
+    void Dispose();
+}