Add ERI server assistant (#231)

app/MindWork AI Studio/Assistants/ERI/OperatingSystemExtensions.cs

@@ -0,0 +1,14 @@
+namespace AIStudio.Assistants.ERI;
+
+public static class OperatingSystemExtensions
+{
+    public static string Name(this OperatingSystem os) => os switch
+    {
+        OperatingSystem.NONE => "No operating system specified",
+        
+        OperatingSystem.WINDOWS => "Windows",
+        OperatingSystem.LINUX => "Linux",
+        
+        _ => "Unknown operating system"
+    };
+}