add signin button

Signed-off-by: brucefengnju <brucechenofnju@gmail.com>
add static folder

Signed-off-by: brucefengnju <brucechenofnju@gmail.com>
add signin button

Signed-off-by: brucefengnju <brucechenofnju@gmail.com>
add signin script

Signed-off-by: brucefengnju <brucechenofnju@gmail.com>