Lower Bound - Upper Bound Calculator

[amwaiting1]

Issue Id you have worked upon -

Lower Bound - Upper Bound Calculator #544

Briefly explain your program logic -

Implement the Lower Bound - Upper Bound Calculator function, given two sets X and Y and a target set Z; Nether - The upper bound calculator should calculate the lower bound and upper bound of the set Z. The relationship between Z and X, Y can be intersecting, unionized, and chosen by the user. where the input is the set X, Y, and the output is the upper and lower limit of the set Z.

Screenshots(Attach 2 screenshots of your own input and output) -

By raising this PR I affirm that -

• [x] My code follows the guidelines of this project.
  

• [x] I have performed a self-review of my own code.
  

• [x] I have commented my code.
  

• [x] My code gives the correct output.
  

• [x] I affirm that I strictly follow contributing guidelines and code of conduct.

[SarthakKeshari]

@amwaiting1, Kindly revert all the files except - calculators/src/mathematical/lowerBoundUpperBoundCalc/MainLowerBoundUpperBoundCalc.js