Add json token login

README.md

@@ -101,6 +101,21 @@ This is a web panel to allow roleplay server to have an common interface for all
     php bin/console cache:clear
     ```
 
+## Login with json token
+
+
+you need to encode a json string like this :
+```php
+openssl_encrypt('{"email":"test@test.fr"}', 'aes-256-cbc', 'LOGIN_JSON_AES_KEY', 0)
+```
+and then use the token with url :
+
+/login/json?token=YOUR_ENCRYPTED_TOKEN_HERE
+
+If the email exist on user list, the user is connected, if not, and error page is displayed
+
+You need to setup the decryption key by env : LOGIN_JSON_AES_KEY
+
 ## Scalability
 
 Vision is ready to be used in scaled architecture :