add info on webdav methods

    }

    ```

5) WebDAV

The following WebDAV Methods are supported: `PROPFIND` / `MKCOL`

The following examples shows how to use the `PROPFIND` method. With a depth of 0.

```java

List<String>depth = new ArrayList<>();

depth.add("0");

header.put("Depth", depth);

NextcloudRequest nextcloudRequest = new NextcloudRequest.Builder()

        .setMethod("PROPFIND")

        .setHeader(header)

        .setUrl("/remote.php/webdav/"+remotePath)

        .build();

```

## Additional Info:

In case that you require some sso features that were introduced in a specific nextcloud files app version, you can run a simple version check using the following helper method: