new file structure

inc/background.columbarium.go

@@ -0,0 +1,14 @@
+package inc
+
+import (
+	inkwell "git.teletypegames.org/engines/inkwell"
+)
+
+// columbarium — deck 23.
+func backgroundColumbarium() inkwell.Asset {
+	return inkwell.Asset{
+		Name: BgColumbarium,
+		Path: "assets/bg/columbarium.png",
+		Kind: inkwell.AssetImage,
+	}
+}