Editor embeds (#680)

- [x] Make deleting an embed easier
- [x] Add document level ability to disable embeds
- [x] Add team level ability to disable embeds
- [x] GitHub
- [x] Numeracy
- [x] Mode Analytics
- [x] Figma
- [x] Airtable
- [x] Vimeo
- [x] RealtimeBoard
- [x] Loom
- [x] Lucidcharts
- [x] Framer
- [x] InVision
- [x] Typeform
- [x] Marvel
- [x] Spotify
- [x] Codepen
- [x] Trello

server/presenters/team.js

@@ -11,6 +11,7 @@ function present(ctx: Object, team: Team) {
     slackConnected: !!team.slackId,
     googleConnected: !!team.googleId,
     sharing: team.sharing,
+    documentEmbeds: team.documentEmbeds,
     subdomain: team.subdomain,
     url: team.url,
   };