Log in an existing user with an email and password or phone and password.
const \{ data, error \} = await supabase.auth.signInWithPassword(\{
email: 'example@email.com',
password: 'example-password',
\})
const \{ data, error \} = await supabase.auth.signInWithPassword(\{
phone: '+13334445555',
password: 'some-password',
\})