exclude .Renviron (#3214)

raybuhr · shiftkey · commit e5b26f5c9ba9 · 2019-11-08T17:11:59.000-04:00
diff --git a/R.gitignore b/R.gitignore
@@ -34,3 +34,6 @@ vignettes/*.pdf
 # Temporary files created by R markdown
 *.utf8.md
 *.knit.md
+
+# R Environment Variables
+.Renviron
