Implement replies, reactions & typing notifications

[Mikaela]

Describe the bug

When an IRC or Matrix user reacts onto something, the reaction doesn't appear on the other side.

To Reproduce

1. Go to a network that supports IRCv3 message-tags on both IRC and Matrix-appservice IRC
2. React onto a message or start typing
3. See that it doesn't go through.

Expected behavior

Matrix and IRC both know when the other side has someone typing and the reactions go through as well

Additional context

• BridgeVersion: 0.27.0
• develop.element.io
• emoji reactions are supported by at least IRCCloud and Palaver
• typing notifications are supported by IRCCloud and WeeChat (git)
• I am not sure if this is more of a feature request or a bug, but the bug template asks whether this is connected to a bug so I erred on the side of bug.
• Specs: https://ircv3.net/irc/#client-only-tags
  • Edit: added replies to topic as they are in the same link
• I was testing on ircs://irc.liberta.casa:6697 / #irc_#libcasa.info:liberta.casa (keyword: Ergo)

[Half-Shot]

Rewriting title to be a more positive spin, as it sounded like a bug.

[Mikaela]

I added replies to this issue considering they are technically in the same group as reactions and typing notifications