Add CS Fundamentals resources and notes and more begginer friendly dsa playlist

[debdutta04]

Some more useful resources in dsa(like (dsa in c++ playlist by love babbar,striver or for java kunal kushwaha or apna college playlist) for beginners and some notes and playlist for cs fundamentals will be more helpful for academics as well as for placement preparation also

[ankit-0369]

I am interested in this issue. can you assign this to me

[Arka2708]

I would like to work on this issue under GSSoC'23