update gitignore
update gitignore

aniux/aniux.github.io,JohnnyYin/johnnyyin.github.io,scott17090025902/scott17090025902.github.com,scott17090025902/scott17090025902.github.com,luzhengfa/luzhengfa.github.io,scott17090025902/scott17090025902.github.com,luzhengfa/luzhengfa.github.io,aniux/aniux.github.io,JohnnyYin/johnnyyin.github.io,JohnnyYin/johnnyyin.github.io,JohnnyYin/johnnyyin.github.io