[chore] added patterns on .gitignore.
[chore] added patterns on .gitignore.

in case a rebase, exclude *.orig and *.rej files.

seanich/react-modal,bluSCALE4/react-modal,bluSCALE4/react-modal,diasbruno/react-modal,rackt/react-modal,seanich/react-modal,reactjs/react-modal,diasbruno/react-modal,reactjs/react-modal,bluSCALE4/react-modal,seanich/react-modal,springload/react-modal,rackt/react-modal,springload/react-modal,springload/react-modal,reactjs/react-modal,diasbruno/react-modal