Fix line endings

.gitattributes

@@ -0,0 +1,22 @@
+#
+# Copyright © 2022-2023 Piotr P. Karwasz
+#
+# 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.
+#
+
+# All text files with LF line endings
+* text=auto eol=lf
+# Maven Wrapper cmd script
+/mvnw.cmd eol=crlf
+# Maven Wrapper need LF line endings
+/.mvn/wrapper/maven-wrapper.properties eol=lf