add a page to show the licence

src/screens/Other/LicenceScreen.js

@@ -0,0 +1,26 @@
+// @flow
+
+import * as React from 'react';
+import {Card, withTheme} from 'react-native-paper';
+import CollapsibleScrollView from '../../components/Collapsible/CollapsibleScrollView';
+import Markdown from 'react-native-markdown-display';
+
+const licence = "Here comes the licence content"
+
+class LicenceScreen extends React.Component<null> {
+  render(): React.Node {
+    return (
+      <CollapsibleScrollView style={{padding: 5}}>
+        <Card>
+          <Card.Content>
+              <Markdown>
+                  {licence}
+              </Markdown>
+          </Card.Content>
+        </Card>
+      </CollapsibleScrollView>
+    );
+  }
+}
+
+export default withTheme(LicenceScreen);