use name red-contrib-turf-module in its documentation + add link to this github repository.

[janvda]

Although this repository is called node-red-contrib-turf-module , the module is actually named red-contrib-turf-module within node-red.

1. So in its node-red documentation I would rename node-red-contrib-turf-module into red-contrib-turf-module

2. It would also be good to add a link to this github repository. E.g. like.

red-contrib-turf-module ([github](https://github.com/bloigge/node-red-contrib-turf-module)]) offers a complete UI for every turf module and allows to wire differnt turf modules without the need of extra