New kontent UI screenshots (vercel#25387)

## Documentation / Examples

Kontent CMS went through the UI redesign - <http://new-ui.kontent.ai/>.
* I am updating the example screenshots.
* \+ one fix of the URL in README.

- example was submitted by me in vercel#16034

- [x] Make sure the linting passes

Author: Simply007

examples/cms-kontent/README.md

@@ -68,7 +68,7 @@ To import the content models with their data follow the next steps:
    kbm --action=restore --apiKey=<Management API key> --projectId=<Project ID> --zipFilename=kontent-backup
    ```
 
-   > **💡 Alternatively, you can use the [Template Manager UI](https://kentico.github.io/kontent-template-manager/import-from-file) for importing the content.**
+   > **💡 Alternatively, you can use the [Template Manager UI](https://kentico.github.io/kontent-template-manager/import) for importing the content.**
 
 1. Go to your Kontent project and publish all the imported items.
    > You could deactivate Management API key, it is not necessary any more.