Add copyright in intervalSpec and some changes.

Author: markok4

.gitattributes

@@ -1,2 +1,2 @@
 * text=auto eol=lf
-sbt linguist-vendored
+sbt linguist-vendored

modules/library/src/main/scala/zio/elasticsearch/query/Queries.scala

@@ -623,7 +623,6 @@ private[elasticsearch] final case class GeoPolygon[S](
         ).flatten: _*
       )
     )
-
 }
 
 sealed trait HasChildQuery[S]

modules/library/src/test/scala/zio/elasticsearch/ElasticIntervalQuerySpec.scala

@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 LambdaWorks
+ *
+ * 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.
+ */
+
 package zio.elasticsearch
 
 import zio.elasticsearch.ElasticQuery.intervals