App Structure

<Vendor Name>
- Modules
 - Blog
    - Repository
     --Doctrine(if doctrine is the orm)
      --BlogRepository.php
      --Entities
       - Blog.php
      --Proxies
     --Eloquent(If eloquent is the orm)
      --BlogRepository.php
    - Gateway
     --BlogGateway.php
    - Validation.php
    - Interface.php
    - ServiceProvider
     --Application.php