Add new file

docker files/environment

+PATH=/opt/ampl:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+R_HOME=/usr/local/lib/R
+R_VERSION=4.1.3
+SHINY_SERVER_VERSION=latest
+CRAN=https://packagemanager.rstudio.com/cran/__linux__/focal/latest
+S6_VERSION=v2.1.0.2
+SHLVL=1
+TZ="Europe/Madrid"
+DEBIAN_FRONTEND=noninteractive
+HOSTNAME=b96c8c038a8c
+PWD=/srv/shiny-apps/repeatedTasks
+TZ=Europe/Madrid
+HOME=/root
+LANG=en_US.UTF-8
+PANDOC_VERSION=default