Add samples for contentToString and contentDeepToString array operations

libraries/tools/kotlin-stdlib-gen/src/templates/Arrays.kt

@@ -93,7 +93,13 @@ fun arrays(): List<GenericFunction> {
         only(ArraysOfObjects, ArraysOfPrimitives)
         since("1.1")
         inline(Platform.JVM, Inline.Only)
-        doc { "Returns a string representation of the contents of the specified array as if it is [List]." }
+        doc {
+            """
+            Returns a string representation of the contents of the specified array as if it is [List].
+
+            @sample samples.collections.Arrays.ContentOperations.contentToString
+            """
+        }
         returns("String")
         body(Platform.JVM) { "return java.util.Arrays.toString(this)" }
         annotations(Platform.JS, """@library("arrayToString")""")
@@ -111,6 +117,8 @@ fun arrays(): List<GenericFunction> {
 
             If any of arrays contains itself on any nesting level that reference
             is rendered as `"[...]"` to prevent recursion.
+
+            @sample samples.collections.Arrays.ContentOperations.contentDeepToString
             """
         }
         returns("String")