Add subtitle to Hype Chats (#4715)

* feat: more hype chat

* Add `std::chrono::seconds` overload to formatTime

* Move & rename it to HypeChat + some other mini things

* Add changelog entry

* fix formattime test

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

src/providers/twitch/TwitchMessageBuilder.hpp

@@ -86,6 +86,8 @@ public:
         QString prefix, const std::vector<HelixModerator> &users,
         Channel *channel, MessageBuilder *builder);
 
+    static MessagePtr buildHypeChatMessage(Communi::IrcPrivateMessage *message);
+
     // Shares some common logic from SharedMessageBuilder::parseBadgeTag
     static std::unordered_map<QString, QString> parseBadgeInfoTag(
         const QVariantMap &tags);