server.js replace node-static with serve-static

[crissmil]

fix proposal for "clip errors on pi5 #888" issue; only tested for clip and say cmd

[drmohundro]

I tested it on my install and it works for me, though like you, I've only tested it with clip and say commands.

[jishi]

Thanks for verifying, let's see how much noise it will make :)