R: dockerfile add make dependencies and git

src/docker_modules/r/3.5.3/Dockerfile

 FROM rocker/r-ver:3.5.3
 MAINTAINER Remi Seraphin
 
+RUN apt update && \
+apt install libssl-dev libcurl4-openssl-dev libxml2-dev zlib1g-dev git
 RUN R -e "install.packages('tidyverse'); \
           install.packages('ggplot2')"