Sign in with email and password.
const signIn = await client.auth().signInEmail('user@example.com', 'qwerty12345')
{
"data": {
"uid": "g16bsf2DN9X3CbGN1osmAjpHlF83",
"email": "user@example.com",
"emailVerified": false,
"disabled": false,
"idToken": "eyJhbGciOiJSUzI1NiIsImtpZCI6IjUwYTdhYTlkNzg5MmI1MmE4YzgxMzkwMzIzYzVjMjJlMTkwMzI1ZDgiLCJ0eXAiOiJKV1QifQ.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.ch20lWIO6c26ZHi3Di1zPdGjfAQkndCKO-L17_lORswI6RY8sLrA8LHdkI1Tk73-fMpQJsEO5I9V_QYRToJ7GTRfc0lvgqCSxsWv8K9SQKg-rMfVKUcI9xASY3ol4ih-ezRXCcC0VtSb501iv161Vppa8fgmVd7qfHfO6efV50-ihPA_H6iGtpw-nejNdbuTAiBRd8VOjQApAeKp0Jr3sTS421u9eIlVPySllj4dyX-d5YReTLTGImN5noTs7yBQpj8rc63-TA3hS7BksSoXyHxcJVuKXS8DxeBJi_hmWTXXRFIfj938wnwMqBevmFzVbVTdpyjyP4RL0cISRXikBQ",
"refreshToken": "AIwUaOn0QXtzI0f_DbKca7QfoHnKhSlswIHoOuL5Hsrg-UGePN5aQID6giYWkvyMlLCk-67pVxNXC5yvoMuvhsTLab6FkSaCM2zK4vwxWplCAjMuTI_Ux7CVl3tTSexEjGd6NZQuNeKHYlI8zWPBLW4bvGtJ1Tc6NwpvIKRAi_ZNDl9Zcir0UDQQp_LPTuQu58F2ZIetfeG_oZB5rDbmo3F7uKOtsDihtywnZYHZm1C7E-Qp7GEWBc8",
"expiresIn": "3600"
}
}