new class Ssettings to get videopath from db

add test - failing
remove useless videopath and tvpath from app.js

api/SSettings.php

@@ -0,0 +1,22 @@
+<?php
+
+class SSettings
+{
+    private $database;
+
+    /**
+     * SSettings constructor.
+     */
+    public function __construct() {
+        $this->database = Database::getInstance();
+    }
+
+    public function getVideoPath() {
+        $query = "SELECT video_path from settings";
+
+        $result = $this->database->getConnection()->query($query);
+
+        $r = mysqli_fetch_assoc($result);
+        return $r['video_path'];
+    }
+}