Refactor (config.cpp): Remove qDebug

aff chpter 8

add full chapter 7

add all examples of chapter 4

fix xmlhttprequest in mjs script

add chpter4 with worker script

finish chapter3

add animation part 2.6

add states and transitions examples

complite p.2.4

add two examples

move to folders

add readme and license

move chapter 3 to folder

first_commit

first commit