Add facade for URLShortener and enabled static functions

Author: bryanadamloh97

src/Facades/UrlShortener.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace CodeOfDigital\LaravelUrlShortener\Facades;
+
+use GuzzleHttp\Promise\PromiseInterface;
+use Illuminate\Support\Facades\Facade;
+
+/**
+ * @method static string shorten($url, array $options = [])
+ * @method static PromiseInterface shortenAsync($url, array $options = [])
+ *
+ * @see \CodeOfDigital\LaravelUrlShortener\UrlShortener
+ */
+class UrlShortener extends Facade
+{
+    /**
+     * Get the registered name of the component.
+     *
+     * @return string
+     *
+     * @throws \RuntimeException
+     */
+    protected static function getFacadeAccessor()
+    {
+        return 'url.shortener';
+    }
+}

src/UrlShortener.php

@@ -6,11 +6,16 @@
 use CodeOfDigital\LaravelUrlShortener\Drivers\BitLyDriverShortener;
 use CodeOfDigital\LaravelUrlShortener\Drivers\TinyUrlDriverShortener;
 use GuzzleHttp\ClientInterface;
+use GuzzleHttp\Promise\PromiseInterface;
 use http\Exception\InvalidArgumentException;
 use Illuminate\Foundation\Application;
 use Illuminate\Support\Arr;
 use Illuminate\Support\Str;
 
+/**
+ * @method string shorten($url, array $options = [])
+ * @method PromiseInterface shortenAsync($url, array $options = [])
+ */
 class UrlShortener implements UrlFactory
 {
     protected $app;