Revert "Delete CS1_Final_Project.vcxproj.filters"

This reverts commit 8be716e1d7dafd88a0dba19139fe27c04ba148a6.
Revert "Delete CS1_Final_Project.vcxproj"

This reverts commit 032ddb3557867e8963e94fff0fe5257de0501388.
Revert "Delete CS1_Final_Project.sln"

This reverts commit 2d46e5bf83a0800b511b952df0b689e4e2c89992.