Added Requesty as a provider (#1006)

Co-authored-by: Thorsten Sommer <SommerEngineering@users.noreply.github.com>

app/MindWork AI Studio/Provider/ProjectAttribution.cs

@@ -0,0 +1,39 @@
+using System.Net.Http.Headers;
+
+namespace AIStudio.Provider;
+
+/// <summary>
+/// The headers which tell a gateway that a request comes from AI Studio.
+/// </summary>
+/// <remarks>
+/// OpenRouter and Requesty read the same two headers: "HTTP-Referer" for the address of the app,
+/// and "X-Title" for its name. OpenRouter lists apps by them in its rankings (App Attribution), and
+/// Requesty tags the analytics of its users with them (Origin Headers), so a person can tell the
+/// requests of AI Studio apart from those of their other tools. OpenRouter calls the second header
+/// "X-OpenRouter-Title" by now and still reads "X-Title"; staying with the name both gateways
+/// understand is what lets them share this.
+///
+/// Neither header says anything about the user: both values are the same for every installation.
+/// </remarks>
+public static class ProjectAttribution
+{
+    /// <summary>
+    /// The address the gateways identify the app by.
+    /// </summary>
+    private const string PROJECT_WEBSITE = "https://github.com/MindWorkAI/AI-Studio";
+
+    /// <summary>
+    /// The name the gateways show for the app.
+    /// </summary>
+    private const string PROJECT_NAME = "MindWork AI Studio";
+
+    /// <summary>
+    /// Adds the attribution headers to a request.
+    /// </summary>
+    /// <param name="headers">The headers of the request.</param>
+    public static void Apply(HttpRequestHeaders headers)
+    {
+        headers.Add("HTTP-Referer", PROJECT_WEBSITE);
+        headers.Add("X-Title", PROJECT_NAME);
+    }
+}