Improvement of issue #4 fix : club not able to book more than 12 places per competition#361

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Tit-Co:improvement/club-not-able-to-book-more-than-12-places-per-competitionTit-Co/OpenClassrooms_Project_11:improvement/club-not-able-to-book-more-than-12-places-per-competitionCopy head branch name to clipboard