adding ability to switch user on library selection screen

adding backend to support loading libraries

components/Home/component.tsx

@@ -0,0 +1,17 @@
+import { H1, ScrollView, YStack } from "tamagui";
+import { useApiClientContext } from "../jellyfin-api-provider";
+import _ from "lodash";
+
+
+export default function Home(): React.JSX.Element {
+
+    const { apiClient, username } = useApiClientContext();
+
+    return (
+        <ScrollView paddingLeft={10}>
+            <YStack alignContent='flex-start'>
+                <H1>Hi { _.isUndefined(username) ? "there" : `, ${username}`}</H1>
+            </YStack>
+        </ScrollView>
+    );
+}