Restructure user guide into top-level guides, reference and explanation parts#9379

Merged

mergify[bot] merged 2 commits intohaskell:masterfrom malteneuss:top-level-guides-and-reference

Nov 5, 2023

+350-420

Commits on Nov 5, 2023

Restructure Cabal documentation top-level parts

malteneuss
authored and
Mikolaj
committed
Rename master_doc to root_doc (changed in version 4.0 of Sphynx)

malteneuss
authored and
Mikolaj
committed