Lab3

добавлен makefile, sample и реализация класса.
Lab3-Sabanov-Denis

google style
Update AreaConverter.rst
Update AreaConverter.h
Update AreaConverter.h
Update AreaConverter.cpp
Update converter.cpp
Update AreaConverter.cpp
Update AreaConverter.h
Update converter.cpp
Update AreaConverter.cpp
Update AreaConverter.h
Update converter.cpp
Update AreaConverter.cpp
Update AreaConverter.cpp
Update AreaConverter.rst
Update AreaConverter.h
Update AreaConverter.h
Update AreaConverter.h
Merge pull request #57 from Denzzel/lab3-AreaConverter

Lab3