German translation (#758)
German translation (#758)

* add webconfig.prod.js to webpack icon

* add prolog icon to icon folder

* add prolog extensions to the supportedextensions

* fix not transparent prolog icon

* add a first translation of german

vscode-icons/vscode-icons,JimiC/vscode-icons,vscode-icons/vscode-icons,JimiC/vscode-icons,robertohuertasm/vscode-icons,jens1o/vscode-icons