[ADF-2136] support shared links and renditions in the Viewer (#2826)

* support previewing shared link content

* remove unused router instance

* docs update

* support 'shared links' preview in the Viewer

docs/viewer.component.md

@@ -49,6 +49,7 @@ Using with file url:
 | Name | Type | Default | Description |
 | ---- | ---- | ------- | ----------- |
 | fileNodeId | string |  | Node Id of the file to load |
+| sharedLinkId | string | | Shared link id (to display shared file) |
 | urlFile | string |  | If you want to load an external file that does not come from ECM you can use this Url where to load the file |
 | urlFileViewer | string | null | Viewer to use with the `urlFile` address (`pdf`, `image`, `media`, `text`). Used when `urlFile` has no filename and extension. |
 | urlBlob | Blob |  | If you want to load a Blob File |
@@ -112,6 +113,19 @@ export class OverlayViewerComponent {
 }
 ```
 
+### Custom file parameters
+
+You can provide custom file parameters, for example a value for the `mimeType` or `displayName` when using URL values that have no file names or extensions:
+
+```html
+<adf-viewer
+    [displayName]="fileName"
+    [allowGoBack]="false"
+    [mimeType]="mimeType"
+    [urlFile]="fileUrl">
+</adf-viewer>
+```
+
 ### Supported file formats
 
 | Type | Extension |