opened
core23
username_0
<!-- THE PR TEMPLATE IS NOT AN OPTION. DO NOT DELETE IT, MAKE SURE YOU READ AND EDIT IT! -->

<!--
    Show us you choose the right branch.
    Different branches are used for different things :
    - 2.x is for everything backwards compatible, like patches, features and deprecation notices
    - master is for deprecation removals and other changes that cannot be done without a BC-break
    More details here: https://github.com/sonata-project/SonataDatagridBundle/blob/2.x/CONTRIBUTING.md#the-base-branch
-->
I am targeting this branch, because this is BC.

## Changelog

<!-- MANDATORY
    Fill the changelog part inside the code block.
    Follow this schema: http://keepachangelog.com/
-->

<!-- REMOVE EMPTY SECTIONS -->
```markdown
### Changed
 - Changed internal folder structure to `src`, `tests` and `docs`
```

## Subject

Adopt the new folder structure discussed on the [dev-kit](https://github.com/sonata-project/dev-kit/issues/278)
Refactor folder structure
issue
created
greg0ire
username_1
Thanks @username_0 !
comment