Documentation 3.x : missing information into "2.10 Repositories settings" chapter

[robotccm]

Original report by Nicolas Desaleux (Bitbucket: [Nicolas Desaleux](https://bitbucket.org/Nicolas Desaleux), ).

---

#!yml

ting:
    repositories:
        World:
            namespace: AppBundle\Repository
            directory: "@AppBundle/Repository"
            glon: "*.php" # missing this line (does not work with current repositories filename does not contains Repository (default value)
            options:
                default:
                    connection: main
                    database: world