added version number to compile script

compile.sh

@@ -3,6 +3,16 @@ if [ $VIRTUAL_ENV=="" ]
 then
   source venv/bin/activate
 fi
+version=$(cat version.txt)
+echo "current version set to: $version"
+new_version=""
+read -r -p "Enter new version or empty to keep the current: " new_version
+if [ "$new_version" != "" ]
+then
+  echo "$new_version" | tee version.txt
+fi
+sed -i "s/VERSION = '[0-9]\.[0-9]\w'/VERSION = '$(cat version.txt)'/g" src/brovski-adress-etiketten-verwaltung.py
+sed -i "s/Version: [0-9]\.[0-9]\w/Version: $(cat version.txt)/g" deb-package/brovski-adressetiketten/DEBIAN/control
 
 pyinstaller --clean --onefile src/brovski-adress-etiketten-verwaltung.py
 cp dist/brovski-adress-etiketten-verwaltung deb-package/brovski-adressetiketten/usr/local/bin/brovski-adressetiketten