moved the files around added demo examples and fixed a bunch of stuff!

lua/plugins/demo/hello.lua

@@ -1,6 +0,0 @@
--- hello.lua
-add_route("/lua/hello", function(req)
-  log("hello.lua handling request for " .. (req.path or "unknown"))
-  -- return (status, headers_table, body_string)
-  return 200, {["Content-Type"] = "text/html"}, "<h1>Hello from Lua plugin!</h1>"
-end)