Added task1 for lab3
renamed task-i to lab-i
Added list.c to makefile
Fixed typo in Makefile
Fixed makefile for list.c
Finished task 1a
finished task 1b
Finished task 1c
renamed list.c to num_info.c
moved num_info.c back into src/
Updated makefile for num_info.c rename
finished task 1d