Add Apache 2.0 file headers to new files from PR #369 (#371)

Author: fbenz

spring-auto-restdocs-core/src/main/java/capital/scalable/restdocs/response/MultipartContentOperationPreprocessor.java

@@ -1,3 +1,22 @@
+/*-
+ * #%L
+ * Spring Auto REST Docs Core
+ * %%
+ * Copyright (C) 2015 - 2020 Scalable Capital GmbH
+ * %%
+ * 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.
+ * #L%
+ */
 package capital.scalable.restdocs.response;
 
 import org.springframework.http.HttpHeaders;

spring-auto-restdocs-core/src/test/java/capital/scalable/restdocs/response/MultipartContentOperationPreprocessorTest.java

@@ -1,3 +1,22 @@
+/*-
+ * #%L
+ * Spring Auto REST Docs Core
+ * %%
+ * Copyright (C) 2015 - 2020 Scalable Capital GmbH
+ * %%
+ * 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.
+ * #L%
+ */
 package capital.scalable.restdocs.response;
 
 import org.junit.Before;