g-ir-scanner includes section docs as class/interface docs if the section name is equal to the lowercase type name.
Since all the documentation is in section blocks, rename them to match the type names.
https://bugzilla.gnome.org/show_bug.cgi?id=727776
+ Generate the documentation
Note: Do not compile (add to Makefile.am) for now as we are missing pieces at that point
Co-Authored-By: Volodymyr Rudyi <vladimir.rudoy@gmail.com>