Add Copyright header to source files

Dockerfile

@@ -1,3 +1,16 @@
+# Copyright 2019 Cartesi Pte. Ltd.
+#
+# 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.
+#
+
 ARG TOOLCHAIN_VERSION=latest
 FROM cartesi/image-toolchain:${TOOLCHAIN_VERSION}
 

Makefile

@@ -1,3 +1,16 @@
+# Copyright 2019 Cartesi Pte. Ltd.
+#
+# 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.
+#
+
 .PHONY: all build push run pull share copy
 
 TAG ?= latest