Curly quotes(Chinese punctuation) usually input from Chinese input
method. When read from english context, it makes some confusion.
Change-Id: I4ebc4754064fd5f617a419eb75bee123872249a7
Closes-Bug: #1792131
Utilizing RST includes to reduce duplication of documentation
effort. All contents of the Ansible defaults/main.yml are
now included in the documentation directly.
Change-Id: Ib5224208259bc50b80cff2613f487ecbe461719a