feat: Add Live Emote Updates for BTTV (#4147)

This feature is enabled by default and can be disabled in settings with the "Enable BTTV live emotes updates" setting.

Co-authored-by: Felanbird <41973452+Felanbird@users.noreply.github.com>
Co-authored-by: pajlada <rasmus.karlsson@pajlada.com>

src/providers/twitch/TwitchIrcServer.cpp

@@ -6,6 +6,7 @@
 #include "controllers/accounts/AccountController.hpp"
 #include "messages/Message.hpp"
 #include "messages/MessageBuilder.hpp"
+#include "providers/bttv/BttvLiveUpdates.hpp"
 #include "providers/seventv/eventapi/SeventvEventAPISubscription.hpp"
 #include "providers/seventv/SeventvEventAPI.hpp"
 #include "providers/twitch/api/Helix.hpp"
@@ -30,6 +31,7 @@ using namespace std::chrono_literals;
 
 namespace {
 
+const QString BTTV_LIVE_UPDATES_URL = "wss://sockets.betterttv.net/ws";
 const QString SEVENTV_EVENTAPI_URL = "wss://events.7tv.io/v3";
 
 }  // namespace
@@ -45,6 +47,14 @@ TwitchIrcServer::TwitchIrcServer()
     this->initializeIrc();
 
     this->pubsub = new PubSub(TWITCH_PUBSUB_URL);
+
+    if (getSettings()->enableBTTVLiveUpdates &&
+        getSettings()->enableBTTVChannelEmotes)
+    {
+        this->bttvLiveUpdates =
+            std::make_unique<BttvLiveUpdates>(BTTV_LIVE_UPDATES_URL);
+    }
+
     if (getSettings()->enableSevenTVEventAPI &&
         getSettings()->enableSevenTVChannelEmotes)
     {