Update documentation, and other files [skip ci]

README.md

@@ -13,8 +13,8 @@ _single_ value. With `karat-scalacheck` you gain the ability to produce arbitrar
 in sequence. At each step, properties can be checked.
 
 ```scala
-libraryDependencies += "com.xebia" %% "karat-scalacheck"        % "0.0.5" % Test
-libraryDependencies += "com.xebia" %% "karat-scalacheck-effect" % "0.0.5" % Test
+libraryDependencies += "com.xebia" %% "karat-scalacheck"        % "0.0.6" % Test
+libraryDependencies += "com.xebia" %% "karat-scalacheck-effect" % "0.0.6" % Test
 ```
 
 # Copyright

modules/karat-scalacheck-http4s/src/main/scala/karat/scalacheck/http4s/syntax.scala

@@ -1,3 +1,19 @@
+/*
+ * Copyright 2023 Xebia Functional Open Source <https://www.xebia.com>
+ *
+ * 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 karat.scalacheck.http4s
 
 import cats.effect.MonadCancel