Add support FrankerFaceZ badges. (#2101)

On startup, we poll https://api.frankerfacez.com/v1/badges/ids and store the mappings of user IDs to badges for the remainder of the applications lifetime.

src/Application.cpp

@@ -11,6 +11,7 @@
 #include "messages/MessageBuilder.hpp"
 #include "providers/bttv/BttvEmotes.hpp"
 #include "providers/chatterino/ChatterinoBadges.hpp"
+#include "providers/ffz/FfzBadges.hpp"
 #include "providers/ffz/FfzEmotes.hpp"
 #include "providers/irc/Irc2.hpp"
 #include "providers/twitch/PubsubClient.hpp"
@@ -55,6 +56,7 @@ Application::Application(Settings &_settings, Paths &_paths)
     , notifications(&this->emplace<NotificationController>())
     , twitch2(&this->emplace<TwitchIrcServer>())
     , chatterinoBadges(&this->emplace<ChatterinoBadges>())
+    , ffzBadges(&this->emplace<FfzBadges>())
     , logging(&this->emplace<Logging>())
 {
     this->instance = this;