Fix build

Summary: We were missing the build file for pxl-scripts.

Test Plan: Jenkins

Reviewers: michelle, vihang

Reviewed By: michelle

Differential Revision: https://phab.corp.pixielabs.ai/D8248

GitOrigin-RevId: 6449b1a

src/pxl_scripts/BUILD.bazel

@@ -0,0 +1,27 @@
+# Copyright 2018- The Pixie Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+# gazelle:ignore
+package(default_visibility = ["//src:__subpackages__"])
+
+filegroup(
+    name = "preset_queries",
+    srcs = glob([
+        "**/*.pxl",
+        "**/*.json",
+    ]),
+    visibility = ["//src:__subpackages__"],
+)