Update README.md

Author: viniciussanchez

README.md

@@ -1 +1,30 @@
-# horse-basic-auth
+# horse-basic-auth
+
+Middleware for Basic Authentication in HORSE
+
+Sample Horse server validate basic authentication:
+
+```delphi
+uses
+  Horse, Horse.BasicAuthentication;
+
+var
+  App: THorse;
+
+begin
+  App := THorse.Create(9000);
+
+  App.Use(HorseBasicAuthentication(
+    function(const AUsername, APassword: string): Boolean
+    begin
+      Result := AUsername.Equals('user') and APassword.Equals('password');
+    end));
+
+  App.Post('ping',
+    procedure(Req: THorseRequest; Res: THorseResponse; Next: TProc)
+    begin
+      Req.Send('pong');
+    end);
+
+  App.Start;
+```