feat: Add 7TV Emotes and Badges (#4002)

Co-authored-by: pajlada <rasmus.karlsson@pajlada.com>

src/providers/twitch/TwitchMessageBuilder.hpp

@@ -99,6 +99,7 @@ private:
     void appendTwitchBadges();
     void appendChatterinoBadges();
     void appendFfzBadges();
+    void appendSeventvBadges();
     Outcome tryParseCheermote(const QString &string);
 
     bool shouldAddModerationElements() const;