Adding FAQ page

custom_configs/order

public/client.html

public/faq/css/style.css

public/faq/images/default_keyboard.png

public/faq/images/default_screen.png

public/faq/images/desktop_password.png

public/faq/images/edit_keys.png

public/faq/images/edit_mode.png

public/faq/images/flip_screen.png

public/faq/images/hotkeys.png

public/faq/images/main_screen.png

public/faq/images/navigation.png

public/faq/images/new_keyboard.png

public/faq/images/new_keyboard2.png

public/faq/images/overview.png

public/faq/images/qr_code.png

public/faq/images/test.png

public/faq/index.html