Defined initial data source types

app/MindWork AI Studio/Settings/DataModel/DataSourceExtension.cs

@@ -0,0 +1,16 @@
+namespace AIStudio.Settings.DataModel;
+
+public static class DataSourceExtension
+{
+    public static string GetDisplayName(this DataSourceType type)
+    {
+        return type switch
+        {
+            DataSourceType.LOCAL_FILE => "Local File",
+            DataSourceType.LOCAL_DIRECTORY => "Local Directory",
+            DataSourceType.ERI => "ERI Server",
+            
+            _ => "None",
+        };
+    }
+}

app/MindWork AI Studio/Settings/DataModel/DataSourceType.cs

@@ -0,0 +1,11 @@
+namespace AIStudio.Settings.DataModel;
+
+public enum DataSourceType
+{
+    NONE = 0,
+    
+    LOCAL_FILE,
+    LOCAL_DIRECTORY,
+    
+    ERI,
+}