<!--- Provide a general summary of the issue in the Title above --> I would like to add Fibonacci Search. ## Description <!--- Provide a detailed description of the change or addition you are proposing --> Fibonacci Search is a comparison-based technique that uses Fibonacci numbers to search an element in a sorted array ## How would it work <!--- Why is this change important to you? How would you use it? --> <!--- How can it benefit other users? --> Input - a sorted array and an integer Output - an index of the given integer