Draft: Feat("Imponting a promo by uploading a CSV file")

Merge request checklist

Please check if your Merge Request (MR) fulfills the following requirements:

• We added our names in the AUTHORS.md file
• New needed python modules have been added to requirements.txt, if any

New dependencies

Have new dependencies been added?

• Yes
• No

If yes, which dependencies?

Merge request type

Please check the type of change your MR introduces:

• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other (please describe):

What is the current behavior?

Adding student was did by CRUD one student by one

What is the new behavior?

-Go on "FlopEditor" -Click on "students" -Click on "import via CSV file"

Does this introduce a breaking change?

• Yes
• No

Does this introduce a new migration in the database ?

• Yes
• No