Broken Link: Deep Learning -> "Mask detection using PyTorch Lightning" leads to 404 error

<!--- Provide a general summary of the issue in the Title above --> When the link is clicked, a "404 Page Not Found" error occurs. The current URL point is likely outdated or incorrect. ## Expected Behavior <!--- If you're suggesting a change/improvement, tell us how it should work --> The link should redirect the user to the correct target page (e.g., the [Sayfa Adı] page) instead of showing an error. ## Current Behavior <!--- If suggesting a change/improvement, explain the difference from current behavior --> When the link is clicked, a "404 Page Not Found" error occurs. The current URL point is likely outdated or incorrect. ## Possible Solution <!--- Not obligatory, but suggest a fix/reason --> <!--- or ideas how to implement the addition or change --> ## Steps to Reproduce <!--- Provide a link to a live example --> ## Context [OPTIONAL] <!--- How has this issue affected you? What are you trying to accomplish? --> <!--- Providing context helps us come up with a solution that is most useful in the real world -->