Updated docs to contain env variables

Author: rennokki

docs/basic-usage/pusher.md

@@ -40,9 +40,9 @@ To do this, you should add the `host` and `port` configuration key to your `conf
     'options' => [
         'cluster' => env('PUSHER_APP_CLUSTER'),
         'encrypted' => true,
-        'host' => '127.0.0.1',
-        'port' => 6001,
-        'scheme' => 'http',
+        'host' => env('PUSHER_APP_HOST', '127.0.0.1'),
+        'port' => env('PUSHER_APP_PORT', 6001),
+        'scheme' => env('PUSHER_APP_SCHEME', 'http'),
     ],
 ],
 ```

docs/basic-usage/ssl.md

@@ -75,9 +75,9 @@ When broadcasting events from your Laravel application to the WebSocket server,
     'options' => [
         'cluster' => env('PUSHER_APP_CLUSTER'),
         'encrypted' => true,
-        'host' => '127.0.0.1',
-        'port' => 6001,
-        'scheme' => 'https',
+        'host' => env('PUSHER_APP_HOST', '127.0.0.1'),
+        'port' => env('PUSHER_APP_PORT', 6001),
+        'scheme' => env('PUSHER_APP_SCHEME', 'http'),
     ],
 ],
 ```
@@ -124,13 +124,13 @@ You also need to disable SSL verification.
     'options' => [
         'cluster' => env('PUSHER_APP_CLUSTER'),
         'encrypted' => true,
-        'host' => '127.0.0.1',
-        'port' => 6001,
-        'scheme' => 'https',
+        'host' => env('PUSHER_APP_HOST', '127.0.0.1'),
+        'port' => env('PUSHER_APP_PORT', 6001),
+        'scheme' => env('PUSHER_APP_SCHEME', 'http'),
         'curl_options' => [
             CURLOPT_SSL_VERIFYHOST => 0,
             CURLOPT_SSL_VERIFYPEER => 0,
-        ]
+        ],
     ],
 ],
 ```
@@ -199,7 +199,7 @@ server {
   location / {
     try_files /nonexistent @$type;
   }
-  
+
   location @web {
     try_files $uri $uri/ /index.php?$query_string;
   }
@@ -283,7 +283,7 @@ socket.yourapp.tld {
         transparent
         websocket
     }
-    
+
     tls youremail.com
 }
 ```

docs/horizontal-scaling/getting-started.md

@@ -49,8 +49,9 @@ Laravel WebSockets comes with an additional `websockets` broadcaster driver that
         'options' => [
             'cluster' => env('PUSHER_APP_CLUSTER'),
             'encrypted' => true,
-            'host' => '127.0.0.1',
-            'port' => 6001,
+            'host' => env('PUSHER_APP_HOST', '127.0.0.1'),
+            'port' => env('PUSHER_APP_PORT', 6001),
+            'scheme' => env('PUSHER_APP_SCHEME', 'http'),
             'curl_options' => [
                 CURLOPT_SSL_VERIFYHOST => 0,
                 CURLOPT_SSL_VERIFYPEER => 0,