Add Cairo as required package

In reference to issue #5
diff --git a/.Rhistory b/.Rhistory
index 7f3b4c2..6ab0764 100644
--- a/.Rhistory
+++ b/.Rhistory
@@ -1,12 +1,3 @@
-ggspatial::layer_spatial(canada, fill = "grey") +
-coord_sf() +
-theme_fivethirtyeight() +
-NULL
-library(ggplot2)
-library(ggspatial)
-library(ggthemes)
-library(sf)
-canada <- read_sf("data/Canada.geojson")
 ggplot() +
 ggspatial::layer_spatial(canada, fill = "grey") +
 coord_sf() +
@@ -510,3 +501,12 @@
 getwd
 getwd()
 install.packages("pdftools")
+library(posterdown)
+library(posterdown)
+library(posterdown)
+library(posterdown)
+roxygen2::roxygenize()
+roxygen2::roxygenize()
+roxygen2::roxygenize()
+library(posterdown)
+library(posterdown)