Update psalm config

Author: roxblnfk

psalm.xml

@@ -14,4 +14,19 @@
             <directory name="vendor" />
         </ignoreFiles>
     </projectFiles>
+    <issueHandlers>
+        <MissingOverrideAttribute errorLevel="suppress" />
+        <ClassMustBeFinal errorLevel="suppress" />
+    </issueHandlers>
+    <forbiddenFunctions>
+        <function name="dd"/>
+        <function name="exit"/>
+        <function name="die"/>
+        <function name="var_dump"/>
+        <function name="echo"/>
+        <function name="print"/>
+        <function name="trap"/>
+        <function name="td"/>
+        <function name="tr"/>
+    </forbiddenFunctions>
 </psalm>