Add ntfy App (#744)

* Add ntfy App

* Fix lint error

Author: albinmedoc

ntfy/app.json

@@ -0,0 +1,10 @@
+{
+  "appid": "794cdf1bdd53d6a98d77ceadd79f647354cd821b",
+  "name": "ntfy",
+  "website": "https://ntfy.sh/",
+  "license": "Apache-2.0, GPL-2.0",
+  "description": "ntfy (pronounced notify) is a simple HTTP-based pub-sub notification service. It allows you to send notifications to your phone or desktop via scripts from any computer, and/or using a REST API. It's infinitely flexible, and 100% free software.",
+  "enhanced": false,
+  "tile_background": "light",
+  "icon": "ntfy.svg"
+}

ntfy/ntfy.php

@@ -0,0 +1,7 @@
+<?php
+
+namespace App\SupportedApps\ntfy;
+
+class ntfy extends \App\SupportedApps // phpcs:ignore
+{
+}