Meta data and article resources in topic,source

database/migrations/2020_08_08_114112_create_articles_table.php

@@ -23,6 +23,7 @@ class CreateArticlesTable extends Migration
             $table->string("guid")->nullable();
             $table->unsignedBigInteger('source_id');
             $table->dateTime('published_date');
+            $table->json('meta')->nullable();
             $table->timestamps();
         });
     }