Merge pull request #55 from Ishant8/newbranch

minor upload file size fix

Merge pull request #54 from Ishant8/confirm-delete

confirmation dialog box added for course deletion

Merge pull request #53 from Ishant8/newbranch

delete user functionality enabled, delete course functionality added, fixed db related bugs, dynamically fetch enrolled students, added delete button to course card

Merge pull request #52 from Ishant8/sectionValidation

section and subsection validation

Merge pull request #51 from Ishant8/newbranch

fixed bugs

Merge pull request #50 from Ishant8/newbranch

Merge branch 'main' into newbranch

Image crop and loader in Add Course component

Merge pull request #49 from Ishant8/validation

course validation