copyright and docs

Author: Alex009

javascript/src/androidMain/kotlin/dev/icerock/moko/javascript/ContextProvider.kt

@@ -1,3 +1,7 @@
+/*
+ * Copyright 2022 IceRock MAG Inc. Use of this source code is governed by the Apache 2.0 license.
+ */
+
 package dev.icerock.moko.javascript
 
 internal interface ContextProvider {

javascript/src/commonMain/kotlin/dev/icerock/moko/javascript/JavaScriptEngine.kt

@@ -6,15 +6,15 @@ package dev.icerock.moko.javascript
 
 expect class JavaScriptEngine() {
     /**
-     * Evaluate some [script].
+     * Evaluate some [script] with external [context].
      *
      * @throws JavaScriptEvaluationException in case of an error in the engine evaluation or if the
      * engine has already been closed.
      */
     fun evaluate(context: Map<String, JsType>, script: String): JsType
 
     /**
-     * Set some [context] with external [context].
+     * Set some [context] for all evaluate calls.
      */
     fun setContextObjects(vararg context: Pair<String, JsType>)