feat(server): adds cors headers

src/ReverseLlama.Server/Program.cs

@@ -86,6 +86,21 @@ if (settings.Keycloak.IsConfigured)
 
 app.UseElmah();
 
+app.Use(async (context, next) =>
+{
+    context.Response.Headers.AccessControlAllowOrigin = "*";
+    context.Response.Headers.AccessControlAllowMethods = "GET, POST, PUT, DELETE, PATCH, OPTIONS";
+    context.Response.Headers.AccessControlAllowHeaders = "Content-Type, Authorization";
+
+    if (HttpMethods.IsOptions(context.Request.Method))
+    {
+        context.Response.StatusCode = StatusCodes.Status204NoContent;
+        return;
+    }
+
+    await next();
+});
+
 app.UseWebSockets(new WebSocketOptions
 {
     KeepAliveInterval = TimeSpan.FromSeconds(30)