Add packaging script

package.sh

@@ -0,0 +1,44 @@
+#!/bin/sh
+
+# packaging script
+rm -rf ./build/
+rm -rf ./dist/
+
+# build windows package
+wine pyinstaller BiogasControllerApp.spec
+
+if [ $? -ne 0 ]; then
+    echo -e "\nBuild unsuccessful, aborting..."
+    exit 1
+fi
+
+# Build successful
+cp -r ./gui ./dist
+cp -r ./lib ./dist
+cp ./biogascontrollerapp.py ./dist/
+cp ./BiogasControllerAppLogo.png ./dist/
+cp ./changelog ./dist/
+cp ./config.ini ./dist/
+cp ./README.md ./dist/
+cp ./requirements.txt ./dist/
+cp ./SECURITY.md ./dist/
+
+# Remove build directories
+rm -rf ./build/
+
+rm -rf ./dist/biogascontrollerapp/
+
+
+# Create Windows archive (zip)
+zip -9r BiogasControllerApp-Windows.zip ./dist
+
+# Create Linux archive (tar)
+rm ./dist/BiogasControllerApp.exe
+cp ./install-linux.sh ./dist/
+cp ./launch.sh ./dist/
+
+ouch compress -y ./dist/ biogascontrollerapp-linux.tar.gz
+
+rm -rf ./dist
+
+echo "Done!"