Improve documentation extension (#2266)

* improve documentation step 1

* improve documentation step 2

* improve documentation step 3

* move in tutorials

* tutotrials

* fix

* fix

* fix

* fix links

* metadata extension configutation

* tutorials links revamp

docs/features/README.md

@@ -24,3 +24,4 @@ This application simplifies the complexity of Content Management and provides co
 - [Info Drawer](/features/info-drawer)
 - [Version Manager](/features/version-manager)
 - [Search results](/features/search-results)
+- [Search forms](/features/search-forms)

docs/features/search-forms.md

@@ -0,0 +1,31 @@
+---
+Title: Search Forms
+---
+
+# Search Forms
+
+## Multiple search configuration
+
+Since version 2.5.0 is now possible have multiple facet search configurations:
+
+![Search Form ](../images/search-forms.png)
+
+In order to configure multiple search form you have to add your search configuration in `src/assets/plugins/app.search.json` in the property array `features.search`.
+
+### Extension Properties
+
+| Name | Type | Default value | Description |
+| ---- | ---- | ------------- | ----------- |
+| id | `string` |  | Unique identifier of the search |
+| name | `string` | "" | Display title of the form |
+| order | `string` |  | Visualization order in the dropdown  |
+| default | `boolean` |  | if the search has to be used as default search  |
+| aca:fields| `string[]`| | list of aspects property to add in the query and search in the value for the given text. The property will be concatenated in AND|
+
+### Search configuration properties
+
+In order to learn more about :
+-The search UI configuration possibilities refer to the [ADF Search configuration documentation](https://github.com/Alfresco/alfresco-ng2-components/blob/develop/docs/user-guide/search-configuration-guide.md)
+-The search Query configuration possibilities refer to the [Full text search reference documentation](https://docs.alfresco.com/search-services/latest/using/)
+
+

docs/features/search-results.md

@@ -92,6 +92,3 @@ If you have entered an `=` symbol before the search term, then the search query
 | Disjunction | orange OR banana OR apple | Nodes that contain at least one of the terms **orange**, **banana** or **apple** |
 | Exact term | =orange | Nodes that contain the exact term **orange** in any content |
 
-## See also
-
-<https://issues.alfresco.com/jira/browse/ACA-2219>