Moving towards production readiness

Server

Bug fixes. Most notable changes out of 190 commits:

• Cluster is fully operational and reasonably bug free. The service at api.tinode.co runs as a cluster now.
• Support for Prometheus monitoring added.
• iOS push notifications work correctly now.
• Bugs related to resetting password fixed.

Tindroid: Android client

• Lots and lots of bug fixes, 130 commits total.
• Zooming and panning images in preview.
• Added privacy, ToS links, ability to report chats and contacts for violations.

Tinodios: iOS client

• Dark mode works.
• Push notifications work, including unread counter.
• @KyoShio contributed Simplified Chinese translation. Thanks!
• Multiple bug fixes, total of 120 commits.

TinodeWeb: web app

• Added privacy, ToS links, ability to report chats and contacts for violations.
• Destructive menu actions wrapped in an alert.
• Changed CDN: replaced unpkg with jsdeliver as unpkg is too unreliable.
• About 40 other fixes and visual improvements.

Javascript SDK

• Minor bug fixes.