correct markdown links to restructured text links

posts/2017/kwant-faq-intro.rst

@@ -14,12 +14,12 @@ Questions" (FAQ) section to complement the existing Kwant tutorial; thanks Paul!
 .. TEASER_END
 
 A preliminary version of of the FAQ is already available
-[here](https://test.kwant-project.org/doc/doc-faq/tutorial/FAQ). Any and all
+`here <https://test.kwant-project.org/doc/doc-faq/tutorial/FAQ>`_. Any and all
 user feedback is valuable to us, so tell us what you think! You can either join
-the [discussion on the mailing
-list](https://www.mail-archive.com/kwant-discuss@kwant-project.org/msg01313.html)
-or comment on the open [merge
-request](https://gitlab.kwant-project.org/kwant/kwant/merge_requests/148) on
+the `discussion on the mailing
+list <https://www.mail-archive.com/kwant-discuss@kwant-project.org/msg01313.html>`_
+or comment on the open `merge
+request <https://gitlab.kwant-project.org/kwant/kwant/merge_requests/148>`_ on
 the Kwant gitlab.
 
 Happy Kwanting,