[FEATURE] keep class of table

package.json

 {
   "name": "@dkaufmann/ckeditor5-build-decoupled-custom-document",
-  "version": "19.1.0",
+  "version": "19.2.0",
   "description": "A build of CKEditor 5 including two custom plugins.",
   "keywords": [
     "ckeditor5-build",

src/keepcustomclasses.js

@@ -9,6 +9,7 @@ export class KeepCustomClasses extends Plugin {
 		setupCustomClassConversion( 'h3', 'heading2', editor );
 		setupCustomClassConversion( 'h4', 'heading3', editor );
 		setupCustomClassConversion( 'p', 'paragraph', editor );
+		setupCustomClassConversion( 'table', 'table-key-value-dotted', editor );
 
 		// Define custom attributes that should be preserved.
 		setupCustomAttributeConversion( 'h2', 'heading1', 'id', editor );