Update publish.sh

Author: konard

example/publish.sh

@@ -24,7 +24,6 @@ cd ..
 npm i
 npm run export
 
-ls out
 cp -a out/. gh-pages/
 
 cd gh-pages
@@ -33,7 +32,7 @@ echo "OK========================================================================
 git config user.name "$COMMIT_USER_NAME"
 git config user.email "$COMMIT_USER_EMAIL"
 git add --all
-git commit -m "Deploy to GitHub Pages: $SHA"
+git commit -m "Deploy to GitHub Pages: $SHA" || exit
 
 git push