Publish pages in Github

1) Make a fresh clone

cd ..
git clone https://github.com/danielfpedro/simple-modal.git simple-modal-webpage

2) Create a gh-pages branch

cd simple-modal-webpage
git checkout --orphan gh-pages
git rm -rf .

3) Add content and push

echo ""My GitHub Page"" > index.html
git add index.html
git commit -a -m ""First pages commit""
git push origin gh-pages

After your push to the gh-pages branch, your Project Page will be available at danielfpedro.github.io/simple-modal

4) Pull the branch

pull the branch gh-pages in original repo(simple-modal)

cd ..
rm -r simple-modal-webpage
cd simple-modal
git fetch

5) Use New branch gh-pages

now you have 1 more branch gh-pages. use it to commit changes for github webpage

git checkout gh-pages
<make changes to documentation>
git add .
git commit -m ""documentation improvements""
git push -u origin gh-pages