[JS IR] Commonize JsEagerInitialization

libraries/stdlib/common/src/kotlin/JsAnnotationsH.kt

@@ -65,4 +65,14 @@ public annotation class ExperimentalJsExport
 @Target(CLASS, PROPERTY, FUNCTION, FILE)
 @SinceKotlin("1.4")
 @OptionalExpectation
-public expect annotation class JsExport()
+public expect annotation class JsExport()
+
+/**
+ * Forces a top-level property to be initialized eagerly, opposed to lazily on the first access to file and/or property.
+ */
+@ExperimentalStdlibApi
+@Retention(AnnotationRetention.BINARY)
+@Target(AnnotationTarget.PROPERTY)
+@SinceKotlin("1.6")
+@OptionalExpectation
+public expect annotation class JsEagerInitialization