Readmeupdate (#29)
Readmeupdate (#29)

* #28 Added affiliate URLs

* #28 Added URLs for lighting options

* #28 Updated descriptor

* #28 Updated links in Acknowledgements section

* #28 Added lnk to demonstration

* #28 Converted pin connections to table

* #28 Updated image URL

* #28 Added infomration about versioning

bitsecondal/raspitraffic-stem,bitsecondal/raspitraffic-stem,bitsecondal/raspitraffic-stem