Added embedding configurations (#224)

app/MindWork AI Studio/Provider/SelfHosted/HostExtensions.cs

@@ -0,0 +1,47 @@
+namespace AIStudio.Provider.SelfHosted;
+
+public static class HostExtensions
+{
+    public static string Name(this Host host) => host switch
+    {
+        Host.NONE => "None",
+
+        Host.LM_STUDIO => "LM Studio",
+        Host.LLAMACPP => "llama.cpp",
+        Host.OLLAMA => "ollama",
+
+        _ => "Unknown",
+    };
+
+    public static string BaseURL(this Host host) => host switch
+    {
+        Host.LM_STUDIO => "/v1/",
+        Host.LLAMACPP => "/v1/",
+        Host.OLLAMA => "/v1/",
+
+        _ => "/v1/",
+    };
+
+    public static string ChatURL(this Host host) => host switch
+    {
+        Host.LM_STUDIO => "chat/completions",
+        Host.LLAMACPP => "chat/completions",
+        Host.OLLAMA => "chat/completions",
+
+        _ => "chat/completions",
+    };
+    
+    public static bool AreEmbeddingsSupported(this Host host)
+    {
+        switch (host)
+        {
+            case Host.LM_STUDIO:
+            case Host.OLLAMA:
+                return true;
+            
+            default:
+            case Host.LLAMACPP:
+                return false;
+        }
+    }
+}