Complete the Data Strecture Readme.md Notes Day14

[Shreeshail Vitkar]

here are the notes on Data structure day 14 need to complete them according to other days refer to other days in the same file if you want to use any media(image/png/gif) keep them in C-DAC-Notes/Data structure/Media/.

Note: Use code snippets they should be in java.

[SHILPEE GUPTA]

hi, @shreeshailaya
I would like to do this. Please assign this task to me.

[XPRESSO-R]

i would like to contribute to this task. Please assign it to me

[XPRESSO-R]

I have made the PR. Please verify