You could wire the lights with a timed delay relay off the power lock circuit from the remote box.

But you'd be making quite a bit of harness for that.

You could put an led strip under the door so when it is open (off the jamb switch) it will light the ground.

For the key locks they used to sell cover replacements with indiglo strip around the key hole. But if you have power locks why waste you time for a mod when your not using a key?