diff --git a/kristify.lua b/kristify.lua
new file mode 100644
index 0000000..e4c1b36
--- /dev/null
+++ b/kristify.lua
@@ -0,0 +1,20 @@
+-- Kristify shop manager
+
+local w, h = term.getSize()
+
+if not (#arg >= 1) then
+  print("Not enogth arguments")
+  return
+end
+
+if arg[1] == "theme" then
+  if #arg == 1 then
+    print("The current theme is: ")
+    return
+  end
+
+  print("Installing theme: " .. arg[2])
+  return
+end
+
+print("Action `" .. arg[1] .. "` is not available.")