Added Check for files in CI

build.sh

@@ -18,6 +18,13 @@ echo "Compiled successfully!";
 mkdir -vp $(dirname "$0")/compiled
 mv -v *.dat $(dirname "$0")/compiled
 rm *.lno
+
+# Check if build is successful
+if [ ! -f "compiled/csprogs.dat" ] || [ ! -f "compiled/progs.dat" ] || [ ! -f "compiled/menu.dat" ]; then
+    echo "Build was not successful. Please check for compiler errors."
+    exit 1
+fi
+
 mkdir dist
 if [[ -n "${CI_COMMIT_TAG}" ]]
 then