Update Dockerfile

add jsonlite and ggVennDiagram so we don't have to install them every run

Author: kweav

ottr_anvil_poll/Dockerfile

@@ -5,5 +5,5 @@ LABEL maintainer="avamariehoffman@gmail.com"
 
 # Install googlesheets4 and tidyverse
 RUN Rscript -e  "options(warn = 2);install.packages( \
-    c('tidyverse', 'googlesheets4', 'kableExtra'), \
+    c('tidyverse', 'googlesheets4', 'jsonlite', 'kableExtra', 'ggVennDiagram'), \
     repos = 'https://cloud.r-project.org/')"