New login screen (#1331)

* wip

* feat: first draft of auth.config

* chore: auth methodS

* chore: styling

* styling, styling, styling

* feat: Auth notices

* chore: Remove server-rendered pages, move shared/components -> components

* lint

* cleanup

* cleanup

* fix: Remove unused component

* fix: Ensure env variables in prod too

* style tweaks

* fix: Entering SSO email into login form fails
fix: Tweak language around guest signin

app/scenes/Settings/Security.js

@@ -60,8 +60,6 @@ class Security extends React.Component<Props> {
   }, 500);
 
   render() {
-    const { team } = this.props.auth;
-
     return (
       <CenteredContent>
         <PageTitle title="Security" />
@@ -72,27 +70,25 @@ class Security extends React.Component<Props> {
         </HelpText>
 
         <Checkbox
-          label="Allow guest invites"
+          label="Allow email authentication"
           name="guestSignin"
           checked={this.guestSignin}
           onChange={this.handleChange}
-          note={`When enabled guests can be invited by email address and are able to signin without ${
-            team ? team.signinMethods : "SSO"
-          }`}
+          note="When enabled, users can sign-in using their email address"
         />
         <Checkbox
           label="Public document sharing"
           name="sharing"
           checked={this.sharing}
           onChange={this.handleChange}
-          note="When enabled documents can be shared publicly by any team member"
+          note="When enabled, documents can be shared publicly on the internet by any team member"
         />
         <Checkbox
           label="Rich service embeds"
           name="documentEmbeds"
           checked={this.documentEmbeds}
           onChange={this.handleChange}
-          note="Convert links to supported services into rich embeds within your documents"
+          note="Links to supported services are shown as rich embeds within your documents"
         />
       </CenteredContent>
     );