NodeMCU rgb led controller with SSDP capability.

Installation

• You should use latest firmware from nodemcu-firmware with multicast support
• Place these files on top of NodeMCU-httpserver.
• Add upnp.lua and http/rgb.lua to list of files to compile.
• Add dofile("upnp.lc") after dofile("httpserver.lc")(80).
• Yo should see "OVOI RGB controller" in your upnp browser.
• it is working at least in windows network browser and upnp-inspector.