[K/JS] Create JavaScript Simple Object plugin that helps create typed JS objects

plugins/jso/compiler-plugin/testData/diagnostics/wrongAnnotationTarget.kt

@@ -0,0 +1,28 @@
+// FIR_IDENTICAL
+// SKIP_TXT
+
+// FILE: test.kt
+import kotlinx.jso.JsSimpleObject
+
+<!NON_EXTERNAL_DECLARATIONS_NOT_SUPPORTED("class")!>@JsSimpleObject
+class Regular1<!>
+
+@JsSimpleObject
+<!NON_EXTERNAL_DECLARATIONS_NOT_SUPPORTED("object")!>object Regular2<!>
+
+<!NON_EXTERNAL_DECLARATIONS_NOT_SUPPORTED("enum class")!>@JsSimpleObject
+enum class Regular3<!>
+
+<!ONLY_INTERFACES_ARE_SUPPORTED("class")!>@JsSimpleObject
+external class External1<!>
+
+@JsSimpleObject
+external <!ONLY_INTERFACES_ARE_SUPPORTED("object")!>object External2<!>
+
+@JsSimpleObject
+external interface External3
+
+external class Nested {
+    @JsSimpleObject
+    interface Inner
+}