修复Kitsunebi不可用的问题

问题原因：Kitsunebi不支持无缩进json。
由自己机场用户反馈，未测试问题广泛性。

app/Http/Controllers/AdminController.php

@@ -1436,7 +1436,7 @@ class AdminController extends Controller
                     "path" => $node->v2_path,
                     "tls"  => $node->v2_tls ? "tls" : ""
                 ];
-                $v2_scheme = 'vmess://' . base64url_encode(json_encode($v2_json));
+                $v2_scheme = 'vmess://' . base64url_encode(json_encode($v2_json,JSON_PRETTY_PRINT));
 
                 // 生成文本配置信息
                 $txt = "服务器：" . ($node->server ? $node->server : $node->ip) . "\r\n";

app/Http/Controllers/SubscribeController.php

@@ -220,7 +220,7 @@ class SubscribeController extends Controller
                     "tls"  => $node['v2_tls'] ? "tls" : ""
                 ];
 
-                $scheme .= 'vmess://' . base64url_encode(json_encode($v2_json)) . "\n";
+                $scheme .= 'vmess://' . base64url_encode(json_encode($v2_json,JSON_PRETTY_PRINT)) . "\n";
             }
         }
 

app/Http/Controllers/UserController.php

@@ -214,7 +214,7 @@ class UserController extends Controller
                     "path" => $node->v2_path,
                     "tls"  => $node->v2_tls == 1 ? "tls" : ""
                 ];
-                $v2_scheme = 'vmess://' . base64url_encode(json_encode($v2_json));
+                $v2_scheme = 'vmess://' . base64url_encode(json_encode($v2_json,JSON_PRETTY_PRINT));
 
                 // 生成文本配置信息
                 $txt = "服务器：" . ($node->server ? $node->server : $node->ip) . "\r\n";