added course delete / update

data/WiredTiger.turtle

data/WiredTiger.wt

data/collection-0--8793770123329554417.wt

data/collection-3--8793770123329554417.wt

data/collection-4--1015871184672815692.wt

data/diagnostic.data/metrics.2024-07-09T12-32-29Z-00000

data/diagnostic.data/metrics.interim

data/index-2--8793770123329554417.wt

data/index-4--8793770123329554417.wt

data/index-5--1015871184672815692.wt

data/index-6--1015871184672815692.wt

data/journal/WiredTigerLog.0000000010

data/sizeStorer.wt

frontend/src/pages/Courses.js