Implemented option "--gui" for graphical installer

install.sh

@@ -2,9 +2,14 @@
 
 # Variables
 mydir=$PWD
-langDE="languages/german.py"
-langEN="languages/english.py"
+langDE="./languages/german.py"
+langEN="./languages/english.py"
 
+# Check if graphical installer should be executed
+if [ "$1" == "--gui" ]; then
+    python3 -B install.py
+    exit 0
+else
     # Intro
     # language
     echo -e "Hello, first of all, which language do you prefer: German [DE] or English [EN]?"
@@ -98,3 +103,5 @@ echo "rsync -aqp --exclude-from=$mydir/exclude.txt $sourcedir $targetdir" >> Bac
     echo -e "$outro1"
     sleep 2
     echo "$outro2"
+    exit 0
+fi