- brand new content for the taxes doc (including new content previously explained in tax_included.rst)
- tax_included.rst is merged into taxes.rst
- redirections
- create -> taxes
- tax_included -> taxes
- move all files in accounting/localizations --> accounting/fiscal-localizations/localizations
- fixes paths after the moves defined above
- add new doc about fiscal localization packages
- add references to the new doc mentionned above in the following docs: initial setup, tax returns and chart of accounts