Merge branch '83-accountmanager-string' into 'master'

    <!-- AddAccountActivity -->

    <string name="login_title">Add account</string>

    <string name="login_eelo_title">Login with an /e/ account</string>

    <string name="login_eelo_title">Log in with your e.email or murena.io ID:</string>

    <string name="login_type_email">Login with email address</string>

    <string name="login_email_address">Email address</string>

    <string name="login_email_address_error">Valid email address required</string>