improve: add validation, parse secret words and update the README

Author: daniloargentiero

Model/Config.php

@@ -78,7 +78,7 @@ public function getSecrets(): array
             self::WEBAPI_LOGS_LOG_SECRET_WORDS,
             ScopeInterface::SCOPE_WEBSITE
         );
-        return explode(PHP_EOL, $secrets);
+        return preg_split('/\n|\r\n?/', $secrets);
     }
 
     /**

README.md

@@ -26,9 +26,7 @@ You can select an entry to see more details about the request and the response
 
 # Attention!
 
-Enable this module only for debug reason, please don't let it enabled in production environment because it can slow down all your webapi request and overload your database.
-
-This module logs everything passes in the webapi calls (tokens and passwords too!), remember to clean logs by clicking the `Delete All Logs` button:
+If you disable the Secret Mode Enable this module logs everything passes in the webapi calls (tokens and passwords too!), then remember to clean logs by clicking the `Delete All Logs` button:
 
 <img src="https://github.com/ghostunicorns/module-webapi-logs/blob/main/screenshots/screen4.png" />
 

etc/adminhtml/system.xml

@@ -37,6 +37,7 @@
                     <depends>
                         <field id="webapi_logs/log/enabled">1</field>
                     </depends>
+                    <validate>validate-number validate-greater-than-zero</validate>
                 </field>
             </group>
         </section>