Implementation of "Import Courses" in /admin/courseManagement/missingSyllabi

[bryantal]

Original report by Bria Williams (Bitbucket: BriaWilliams1202, ).

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Within the menu, we would like for the administrator to have an option to import a .csv or .xlsx file to upload courses for a specified term. When imported, the spreadsheet should be parsed in order to render the data that the administrator is requesting. Course data being imported will come from a Banner export.

An import similar this has been implemented before (most likely in CAS).

Will continue to add more details to this issue.