Attempt to use simpler strategy to publish files

[Konard]

react-deep-tree/example/publish.sh

Lines 10 to 36 in adb4ac2

	git clone "https://$REPOSITORY" gh-pages
	cd gh-pages || exit
	git remote rm origin
	git remote add origin "https://linksplatform:$GITHUB_TOKEN@$REPOSITORY.git"
	git fetch
	git checkout $TARGET_BRANCH
	find -not -path "./.git/*" -not -name ".git" -delete
	cd ..
	npm i
	npm run export
	cp -a out/. gh-pages/
	cd gh-pages
	git config user.name "$COMMIT_USER_NAME"
	git config user.email "$COMMIT_USER_EMAIL"
	git add --all
	git commit -m "Deploy to GitHub Pages: $SHA" || exit
	git push

https://stackoverflow.com/questions/3311774/how-to-convert-existing-non-empty-directory-into-a-git-working-directory-and-pus