feat: laravel 7 support (#8)

Author: atymic

.travis.yml

@@ -7,6 +7,7 @@ cache:
 php:
   - 7.2
   - 7.3
+  - 7.4
 
 env:
   matrix:

README.md

@@ -9,7 +9,7 @@
 [![Total Downloads](https://poser.pugx.org/laravel-notification-channels/smsapi/downloads)](https://packagist.org/packages/laravel-notification-channels/smsapi)
 [![PHP 7 ready](http://php7ready.timesplinter.ch/laravel-notification-channels/smsapi/badge.svg)](https://travis-ci.org/laravel-notification-channels/smsapi)
 
-This package makes it easy to send notifications using [Smsapi](https://www.smsapi.pl/) with Laravel 5.5+ & 6.x.
+This package makes it easy to send notifications using [Smsapi](https://www.smsapi.pl/) with Laravel 5.5+, 6.x, & 7.x
 
 ## Contents
 
@@ -33,17 +33,6 @@ You can install the package via composer:
 composer require laravel-notification-channels/smsapi
 ```
 
-You must install the service provider:
-```php
-// config/app.php
-...
-'providers' => [
-    ...
-    NotificationChannels\Smsapi\SmsapiServiceProvider::class,
-],
-...
-```
-
 You can also publish the config file with:
 
 ```bash

composer.json

@@ -13,8 +13,8 @@
     ],
     "require": {
         "php": ">=7.1",
-        "illuminate/notifications": "~5.5 || ~6.0",
-        "illuminate/support": "~5.5 || ~6.0",
+        "illuminate/notifications": "~5.5 || ~6.0 || ~7.0",
+        "illuminate/support": "~5.5 || ~6.0 || ~7.0",
         "smsapi/php-client": "^1.8"
     },
     "require-dev": {