Upload Code (Wrong File Type)

[Niranjan-coder4]

As a User
I need I need to bulk upload a zip file of student code
So that So that I can grade the whole class at once without hassle

Details and Assumptions

• [document what you know]

Acceptance Criteria

Given I'm logged in as an instructor
When I accidentally upload a .txt file
Then the system should yell at me with an error: "Please upload a supported code file (.py, .java, .cpp)"