Add Code Flow chart in each example code

[gautam-dev-maker]

This task should be done by the second years who will be taking up the task to teach concepts, rather than third years.

[ChinmayLonkar]

@omsheladia you can take this task, make sure to do this before Sept 7th

[gautam-dev-maker]

It is better to be done by second years.

[ChinmayLonkar]

@Dhruv-Sapra Take up this issue and add a fully descriptive flowchart for self-balancing code before 7th November. If you face any issue regarding this kindly post it here.