Experimental fixes: introduce "Add @UseExperimental" #KT-22760 Fixed

idea/testData/quickfix/experimental/basicUseExperimental.kt.after

@@ -0,0 +1,21 @@
+// "Add '@UseExperimental(MyExperimentalAPI::class)' annotation to 'bar'" "true"
+// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// WITH_RUNTIME
+
+package a.b
+
+@Experimental
+@Target(AnnotationTarget.CLASS)
+annotation class MyExperimentalAPI
+
+@MyExperimentalAPI
+class Some {
+    fun foo() {}
+}
+
+class Bar {
+    @UseExperimental(MyExperimentalAPI::class)
+    fun bar() {
+        Some().foo()
+    }
+}