Tree and Graph data structures.

[SURAJPATIL6088]

Good Morning 🍉
I have read all the guidelines mentioned in the readme file. I would like to contribute to this repository on Tree and Graph data structures in C++. In these topics, I will add all the necessary questions required for campus placements, online assessments.
Topic :
Tree:

1. Tree Basic Terminologies
2. Tree Traversals
3. Views in Tree
4. General Questions

Graph:

1. Graph Basic Terminologies
2. Graph Traversals
3. General Questions