Merge branch 'feat/add-phpstan-configuration-and-baseline' into 'master'

Add PHPStan project with level 1.

This PR: Add basic configuration files with basic baseline.


See merge request Chill-Projet/chill-bundles!191

src/Bundle/ChillDocGeneratorBundle/Controller/DocGeneratorTemplateController.php

@@ -145,5 +145,7 @@ class DocGeneratorTemplateController extends AbstractController
         } catch (TransferException $e) {
             throw $e;
         }
+
+        throw new \Exception('Unable to generate document.');
     }
 }