FDP-2318: added copyright to pre-commit script

Signed-off-by: Loes Immens <[email protected]>

scripts/pre-commit

@@ -1,4 +1,8 @@
 #!/bin/bash
+# SPDX-FileCopyrightText: Copyright Contributors to the GXF project
+#
+# SPDX-License-Identifier: Apache-2.0
+
 echo "*********************************************************"
 echo "Running git pre-commit hook. Running Spotless Apply... "
 echo "*********************************************************"
@@ -18,7 +22,7 @@ if [ "$status" = 0 ] ; then
   # Add staged file changes to git
   for file in $stagedFiles; do
     if test -f "$file"; then
-      git add $file
+      git add "$file"
     fi
   done
   #Exit