fix tree

action.sh

@@ -23,7 +23,7 @@ fi
 # optionally: create index
 if [ "${INPUT_INDEX}" ]; then
   if [ ! -e "${INPUT_DIRECTORY}/index.html" ]; then
-  tree -H "${INPUT_DIRECTORY}" \
+  tree "${INPUT_DIRECTORY}" -a -H "." \
     -D \
     --charset utf-8 \
     -T "${INPUT_INDEX_TITLE}" \
@@ -40,3 +40,5 @@ tar -C "${INPUT_DIRECTORY}" -czf - . \
   | ssh -o "IdentitiesOnly=yes" -i "${SSH_KEY_FILE}" \
   "${INPUT_HOST_USER}@${INPUT_HOST}"
 
+# remove ssh key
+rm "${SSH_KEY_FILE}"