Add linux assets

assets/linux/flatcam-beta

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+current_path=$(dirname $0)
+cd $current_path
+current_path=$(pwd)
+cd -
+
+script_path=$(dirname $current_path)
+
+python3 $script_path/FlatCAM.py $*

assets/linux/flatcam-beta.desktop

@@ -0,0 +1,7 @@
+[Desktop Entry]
+Name=FlatCAM Beta
+Exec=./bin/flatcam-beta
+Type=Application
+StartupNotify=true
+Icon=./assets/icon.png
+Comment=G-Code from GERBERS