* Added files for Schurter plug panel mod
* Added more images for Schurter plug panel mod
* Updated README.md with the Schurter plug panel mod description
* Added CAD file for Schurter plug panel mod
* Removed necessity of support for plug panel mod
* Update of readme for Schurter plug panel
* updated image for Schurter plug panel mod printed
* minor update of CAD and STL for Schurter plug panel mod
* fixed typos in Schurter plug panel readme
* added 2.4r1 compatibility comment in Schurter plug panel mod readme