scripts: add py_binary target for spdx_to_github_snapshot (#2)

Author: Lukasz-Juranek

scripts/BUILD.bazel

@@ -11,7 +11,7 @@
 # SPDX-License-Identifier: Apache-2.0
 # *******************************************************************************
 
-load("@rules_python//python:defs.bzl", "py_library")
+load("@rules_python//python:defs.bzl", "py_binary", "py_library")
 
 package(default_visibility = ["//visibility:public"])
 
@@ -33,3 +33,9 @@ py_library(
     name = "spdx_to_github_snapshot",
     srcs = ["spdx_to_github_snapshot.py"],
 )
+
+py_binary(
+    name = "spdx_to_github_snapshot_bin",
+    srcs = ["spdx_to_github_snapshot.py"],
+    main = "spdx_to_github_snapshot.py",
+)