updated readme with last successful Gitlab pipeline

- added Double rounding problem explanation for output 3

- Added output3 test
- pharma property corrected for testing acceptation

- removed Klaxons dependecy

- Added PerfumeBuilder
- Deleted json objects for testing
- moved TaxesCalculator from services to util package

- Added ChocolatesFactory
- Deleted CandyFactory, Candy and ChocolateBar, now we use a ChocolatesBuilder instead the factory

- CD, Books, builders and classes fixed for shoppingTest acceptation

- added calculation function to TaxesCalcultator
- create Recipe, Perfume, Candy, ChocolateBar, Chocolate and Pills classes
- Created PillsBuilder
- added buildBook and buildPills tests
- added first version of ShoppingTests for input1
- Created json test objects, may not necessaries