add new toast

adds new tiny toast which should work for both ios and android (not tested on ios!)

studentbyer/screens/AddReviewScreen.tsx

 import * as React from "react";
-import { StyleSheet, ToastAndroid } from "react-native";
+import { StyleSheet } from "react-native";
 import { useSelector } from "react-redux";
-import { Rating } from "react-native-elements";
-import EditScreenInfo from "../components/EditScreenInfo";
 import { Text, View } from "../components/Themed";
 import { RootState } from "../store/store";
-import { StudentCity } from "../store/studentCities/interfaces";
-import { Card, Button } from "react-native-elements";
+import { Button } from "react-native-elements";
 import Icon from "react-native-vector-icons/FontAwesome5";
 import AddRating from "../components/AddRating";
 import { useState } from "react";
-import Toast from "react-native-simple-toast";
+import Toast from "react-native-tiny-toast";
 import axios from "axios";
 import { API } from "../constants";
 import { useActions } from "../hooks/useActions";
@@ -58,19 +55,11 @@ const AddReviewScreen = ({ navigation }) => {
     }
   };
   const showSuccessToast = () => {
-    /*Toast.showWithGravity(
-      "Vurderingen din er sendt inn!",
-      Toast.SHORT,
-      Toast.TOP
-    );*/
+    Toast.showSuccess("Din vurdering har blitt lagt til!");
   };
 
   const showErrorToast = (err: String) => {
-    /*Toast.showWithGravity(
-      `Vi fikk følgende feilmelding: ${err}`,
-      Toast.SHORT,
-      Toast.TOP
-    );*/
+    Toast.show(`Error: ${err}`);
   };
   if (studentCity) {
     return (