[LICENSE] used addlicense to add licenses to all source files
diff --git a/utils/examples/mag2gds.tcl b/utils/examples/mag2gds.tcl
index 372a3a3..5283852 100644
--- a/utils/examples/mag2gds.tcl
+++ b/utils/examples/mag2gds.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# 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.
+
# assumes an /ef tree or at least a symlink
drc off
gds readonly true
