save "create sync group" table in database

internal/site/cookies/auth.go

@@ -0,0 +1,17 @@
+package cookies
+
+import (
+	"net/http"
+	"time"
+)
+
+func AccessToken(tkn string, expiration time.Time) http.Cookie {
+	return http.Cookie{
+		Name:    "access_token",
+		Value:   tkn,
+		Path:    "/",
+		Expires: expiration,
+		MaxAge:  0, // using Expiration instead
+		Secure:  true,
+	}
+}