Reverse dependencies for rmultimarkdown

Latest version of the following gems require rmultimarkdown

Gem Version
htmltoword +2.01 Million Downloads 1.1.1

November 11, 2019

avv2word +83 Thousand Downloads 1.1.39

September 23, 2020

jekyll-theme-omega +28.6 Thousand Downloads 0.2.7

May 28, 2018

mitimes-htmltoword +3.29 Thousand Downloads 0.1.0

April 06, 2017

janie-htmltoword +2.84 Thousand Downloads 1.1.2

November 04, 2019