Add pipeline (#65)

close #54

Co-authored-by: 6543 <6543@obermui.de>
Reviewed-on: https://codeberg.org/Codeberg/pages-server/pulls/65
Reviewed-by: Andreas Shimokawa <ashimokawa@noreply.codeberg.org>

server/handler_test.go

@@ -2,10 +2,11 @@ package server
 
 import (
 	"fmt"
-	"github.com/valyala/fasthttp"
 	"testing"
 	"time"
 
+	"github.com/valyala/fasthttp"
+
 	"codeberg.org/codeberg/pages/server/cache"
 )