Add gh action ci tests from rpy2

Change-Id: I18196d84f8668fb22cc7c149565e7c94abe666e0
diff --git a/install_r_packages.r b/install_r_packages.r
new file mode 100755
index 0000000..56f81ce
--- /dev/null
+++ b/install_r_packages.r
@@ -0,0 +1,5 @@
+args <- commandArgs(trailingOnly = TRUE)
+
+repos <- "https://cran.rstudio.com" 
+
+install.packages(args, repos = repos)