feat: add tab id in system.xml (#3)

* Tab id is added in system.xml

* Update etc/adminhtml/system.xml

Co-authored-by: Lucas Siebels <l.siebels@basecom.de>

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Co-authored-by: enes <eneskirca@gmail.com>
Co-authored-by: Lucas Siebels <l.siebels@basecom.de>

Author: 3 people

etc/adminhtml/system.xml

@@ -3,6 +3,9 @@
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Config:etc/system_file.xsd">
     <system>
+        <tab id="basecom" translate="label" sortOrder="410">
+            <label>Basecom</label>
+        </tab>
         <section id="basecom_csp_split_header" translate="label" showInDefault="1" showInWebsite="1" showInStore="1"
                  sortOrder="1000">
             <label>Content Security Policy</label>