Criar tabelas de recursos educacionais

resources

• id (serial, not null, primary key, unique)
• bucket_key (unique)
• link (varchar(255))
• thumbnail (varchar(255))
• name (varchar(255), not null)
• author (varchar(255), not null)
• description (text)
• created_at (timestamp)
• updated_at (timestamp)
• submited_at (timestamp)
• published_at (timestamp)
• deleted_at (timestamp)