Ksenia Velichko

This PR contains the md file for the unordered map at() function ## Changes -I saw that the unordered map at() function was missing so I created an md file...

Lacking documentation in linked list and other minor changes in the README

2

The following issues were noted: - broken link to Primorial Algorithm in the main README - missing README file in the linked list folder - missing documentation for doubly linked...

added documentation and README file to linked list folder, minor fixes to README

2

Fixed broken Primorial link in the README, fixed minor style discrepancies in the README, added a README file to the linked list folder, and added documentation to the doubly linked...