ARROW-14496: [Docs] Create relative links for R / JS / C/Glib references in the sphinx toctree using stub pages#11601

jorisvandenbossche wants to merge 4 commits intoapache:masterapache/arrow:masterfrom

jorisvandenbossche:ARROW-14496-toctree-externaljorisvandenbossche/arrow:ARROW-14496-toctree-externalCopy head branch name to clipboard