feat: show embedded timestamps in messages

[nikkothari22]

This PR detects "time" in any human readable format when a message is sent and embeds a timestamp in the message. When receivers see the message, they can hover over the timestamp to view it in their timezone.

Also works with arbritary time

[nikkothari22]

This looks wonky in scenarios like these:

Have to figure this out 🫠

[nikkothari22]

Possible solution:

1. Give the user an option to choose the mode they want to use: they can disable auto parsing, enable auto parsing but with strict mode, or with casual mode
2. Give a button that the user can use to highlight text and then embed time in.