basic package setup
diff --git a/.Rbuildignore b/.Rbuildignore
new file mode 100644
index 0000000..f77ab09
--- /dev/null
+++ b/.Rbuildignore
@@ -0,0 +1,3 @@
+^rgpt3\.Rproj$
+^\.Rproj\.user$
+^LICENSE\.md$