Convert sub tutorials into Guides #10838

Ensure configure creates doc/guides directory

Fix configure makefile and tests

Remove old guides dir and configure option, convert testing to guide

Remove ignored files

Fix submodule issue
auto merge of #11106 : alan-andrade/rust/convert_tutorials_to_guides, r=huonw

* Moved every the tutorial-*.md into its own directory `/doc/guides/`
* Makefile is aware