[ADF-4152] Restructured Content Services docs (#4429)

* [ADF-4152] Moved content services docs to subfolders

* [ADF-4152] Manual URL fixes for cont services docs

* [ADF-4152] Moved content services docs to subfolders

* [ADF-4152] Manual URL fixes for cont services docs

* [ADF-4152] Updated doc index pages for content services

docs/content-services/components/tree-view.component.md

@@ -0,0 +1,35 @@
+---
+Title: Tree View component
+Added: v3.0.0
+Status: Active
+Last reviewed: 2018-11-19
+---
+
+# [Tree View component](../../../lib/content-services/tree-view/components/tree-view.component.ts "Defined in tree-view.component.ts")
+
+Shows the folder and subfolders of a node as a tree view.
+
+![TreeView component screenshot](../../docassets/images/tree-view.png)
+
+## Basic Usage
+
+```html
+<adf-tree-view-list [nodeId]="'74cd8a96-8a21-47e5-9b3b-a1b3e296787d'" 
+                    (nodeClicked)="onClick($event)">
+</adf-tree-view-list>
+```
+
+## Class members
+
+### Properties
+
+| Name | Type | Default value | Description |
+| ---- | ---- | ------------- | ----------- |
+| nodeId | `string` |  | Identifier of the node to display. |
+
+### Events
+
+| Name | Type | Description |
+| ---- | ---- | ----------- |
+| error | [`EventEmitter`](https://angular.io/api/core/EventEmitter)`<any>` | Emitted when an invalid node id is given. |
+| nodeClicked | [`EventEmitter`](https://angular.io/api/core/EventEmitter)`<`[`NodeEntry`](https://github.com/Alfresco/alfresco-js-api/blob/master/src/alfresco-core-rest-api/docs/NodeEntry.md)`>` | Emitted when a node in the tree view is clicked. |