add postion control for home page

Signed-off-by: Hake Huang <hakehuang@gmail.com>
update login ui

Signed-off-by: Hake Huang <hakehuang@gmail.com>
add hedline and alignment

Signed-off-by: Hake Huang <hakehuang@gmail.com>
add signup ui

Signed-off-by: Hake Huang <hakehuang@gmail.com>