[LICENSE] used addlicense to add licenses to all source files

utils/gds2mag-mag.local.sh

diff --git a/utils/gds2mag-mag.local.sh b/utils/gds2mag-mag.local.sh
index 617c7c2..c914f70 100755
--- a/utils/gds2mag-mag.local.sh
+++ b/utils/gds2mag-mag.local.sh
@@ -1,4 +1,18 @@
 #!/bin/sh
+# 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.
+
 export PDK_ROOT=~/foss/pdks/open_pdks/sky130;
 export MAGTYPE=mag ; 
 export PDKPATH=$PDK_ROOT/sky130A ;