[ADF-4272] TaskListCloud - improvements on CopyClipboardDirective (#4547)

* [ADF-4272] DocumentList -  add Copy content tooltip directive

* [ADF-4272] - fix build issue

* [ADF-4272] - change directive name and add requested changes

* [ADF-4272] - reset task-list-cloud html content

* [ADF-4272] - fix build

* [AFG-4272] - change name to CopyClipboard

* [ADF-4272] - PR changes

* [ADF-4272] - fix tests

* [ADF-4272[] - lint

* [ADF-4272] - merge clipboard directive with copy-content directive

* [ADF-4272] - PR changes

* [ADF-4272] - change docs

docs/core/directives/clipboard.directive.md

@@ -0,0 +1,36 @@
+---
+Title: Copy Clipboard directive
+Added: v3.2.0
+Status: Active
+Last reviewed: 2019-04-01
+---
+
+# [Clipboard directive](../../../lib/core/clipboard/clipboard.directive.ts "Defined in clipboard.directive.ts")
+
+Copy text to clipboard
+
+## Basic Usage
+
+```html
+<span adf-clipboard="translate_key" [clipboard-notification]="notify message">
+    text to copy
+</span>
+
+<button adf-clipboard="translate_key" target="ref" [clipboard-notification]="notify message">
+    Copy
+</button>
+```
+
+
+## Class members
+
+### Properties
+
+| Name | Type | Default value | Description |
+| ---- | ---- | ------------- | ----------- |
+| target | `HTMLElement ref` | false | HTMLElement reference |
+| clipboard-notification | `string` |  | Translation key message for toast notification |
+
+## Details
+
+When the user hover the directive element a tooltip will will show up to inform that, when you click on the current element, the content or the reference content will be copied into the clipboard.