Add Animal Farm - George Orwell

[ThomasStaehliBFH]

In this pull request

• I am adding a new book.
• I am adding a new category
• Removing a book

Adding new book

• The book I am adding is Animal Farm by George Orwell
• I am adding this book to Fiction - Classics section.
• I have read this book 2 times.
• I think this book deserves to be in this list because it is a timeless classic that critics totalitarian regimes and abuse of power. The more people are aware of this topics the better.