Update README.md (#336)

We use some features from Java 8, so your project needs also to be compiled with (at least) this version.

We use some features from Java 8, so your project needs also to be compiled with (at least) this version.

For Android 11 and later you may need to add queries to your app's manifest file. It will not find the nextcloud-app otherwise.

For Android 11 and later [you need to add queries](https://github.com/nextcloud/Android-SingleSignOn/issues/277) to your app's manifest file. It will not find the Nextcloud app otherwise.

```

```xml

<queries>

<queries>

    <package android:name="com.nextcloud.client" />

    <package android:name="com.nextcloud.client" />

    <package android:name="com.nextcloud.android.beta" />

    <package android:name="com.nextcloud.android.beta" />