Fix missing import

Author: lunny

routers/web/repo/view.go

@@ -51,6 +51,7 @@ import (
 	"code.gitea.io/gitea/services/context"
 	issue_service "code.gitea.io/gitea/services/issue"
 	files_service "code.gitea.io/gitea/services/repository/files"
+	repo_service "code.gitea.io/gitea/services/repository"
 
 	"github.com/nektos/act/pkg/model"