Annoying things for new users

[tomholub]

Here is a list of things we should look into to make new users happier with the app

• [x] 1) cannot swipe away email / archive it #504
• [x] 2) cannot make actions on several emails in inbox at once #552
• [x] 3) cannot fix missing email in public key #597
• [x] 4) outlook oauth #716
• [x] 5) cannot mark email as unread #336
• [x] 6) cannot require pass phrase #372
• [ ] 7) conversation view #74
• [x] 8) dark theme #448

[DenBond7]

552