Add missing Rd files for palettes

Change-Id: I925875c4d89b712184078c88c79893c09cf78692
diff --git a/man/idsPaletteGreyscale.Rd b/man/idsPaletteGreyscale.Rd
new file mode 100644
index 0000000..1ddf831
--- /dev/null
+++ b/man/idsPaletteGreyscale.Rd
@@ -0,0 +1,14 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/idsThemeR.R
+\name{idsPaletteGreyscale}
+\alias{idsPaletteGreyscale}
+\title{Title}
+\usage{
+idsPaletteGreyscale()
+}
+\value{
+
+}
+\description{
+Title
+}