Merge remote-tracking branch 'upstream/check-unsanitized'

Refactor(reassembler): replace `map::insert(iter, {})` with `map::emplace_hint`

Add check_unsanitized target to run all tests without sanitizers

Merge remote-tracking branch 'upstream/check7-startercode'

Add sanitizing version of apps (including endtoend)

CS144 Lab checkpoint 7

Style: Enhanced code readability & Remove unnecessary include<...> which was auto-imported by clangd.

All tests passed in checkpoint 6

Merge remote-tracking branch 'upstream/check6-startercode'

All tests passed in checkpoint 5

Modified .clangd to remove needless tidy

CS144 Lab checkpoint 6

Disable controversial test for 2024

Add data.txt for checkopint4.

Merge remote-tracking branch 'upstream/check5-startercode'