Add asset management scripts

infra/bots/assets/scripts/create.py

+#!/usr/bin/env python
+#
+# Copyright 2016 Google Inc.
+#
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+
+"""Create the asset."""
+
+
+import argparse
+
+
+def create_asset(target_dir):
+  """Create the asset."""
+  raise NotImplementedError('Implement me!')
+
+
+def main():
+  parser = argparse.ArgumentParser()
+  parser.add_argument('--target_dir', '-t', required=True)
+  args = parser.parse_args()
+  create_asset(args.target_dir)
+
+
+if __name__ == '__main__':
+  main()