Chatness v1.1
Mainly purpose of this release is aiming make it possible to easily add pictures and videos from user 's device to a conversation.
Message deletion
Added message delete option (long press on message).Synced in realtime with cache invalidation.

Media upload
Added media upload options alongside the message bar. Select photos or videos. Take picture or record video.
Other fixes and improvements
- Added new rules. Make sure to run *firestore:deploy* again
- Updated elements. Make sure to *build:elements* again
- Added emoji detector to increase font size when a message is composed only by an emoji
- Added image zoom
- Fixed *registerWithFirebase* effect
- Fixed *changeNameWithFirebase* effect
- Improved perf and fixed issues on chat messages
- Improved perf and fixed realtime issues on contact list