Set up prettier + eslint with very basic config

I feel safer this way. I don't want to keep thinking whether I want
single or double quotes, and I want someone to point me out dumb
mistakes I may make in JS.

Author: sauloperez

.eslintrc.json

@@ -0,0 +1,28 @@
+{
+    "env": {
+        "browser": true,
+        "es2021": true
+    },
+    "extends": [
+        "eslint:recommended",
+        "plugin:react/recommended"
+    ],
+    "overrides": [
+    ],
+    "parserOptions": {
+        "ecmaVersion": "latest",
+        "sourceType": "module"
+    },
+    "plugins": [
+        "react",
+        "unused-imports"
+    ],
+    "rules": {
+      "no-unused-vars": "off",
+      "unused-imports/no-unused-imports": "error",
+      "unused-imports/no-unused-vars": [
+        "warn",
+        { "vars": "all", "varsIgnorePattern": "^_", "args": "after-used", "argsIgnorePattern": "^_" }
+      ]
+    }
+}

App.js

@@ -3,7 +3,7 @@ import * as Notifications from "expo-notifications";
 import { StatusBar } from 'expo-status-bar';
 import { WebView } from 'react-native-webview';
 import registerForPushNotificationsAsync from './lib/pushNotifications';
-import { StyleSheet, Text, View, BackHandler } from 'react-native';
+import { StyleSheet, BackHandler } from 'react-native';
 import Constants from "expo-constants";
 import handleExternalLinks from './lib/handleExternalLinks';
 import injectCustomJavaScript from './lib/injectCustomJavaScript.js';
@@ -40,7 +40,7 @@ export default function App() {
       } catch (err) {
         console.log("[handleBackButtonPress] Error : ", err.message);
       } finally {
-        return true;
+        return true; // eslint-disable-line no-unsafe-finally
       }
     };