pretty-print tags on startup

include/Common.h

@@ -137,6 +137,8 @@ private:
     static inline Version mVersion { 3, 2, 0 };
 };
 
+void SplitString(std::string const& str, const char delim, std::vector<std::string>& out);
+
 std::string ThreadName(bool DebugModeOverride = false);
 void RegisterThread(const std::string& str);
 #define RegisterThreadAuto() RegisterThread(__func__)

include/TConfig.h

@@ -27,6 +27,7 @@ private:
     void TryReadValue(toml::value& Table, const std::string& Category, const std::string_view& Key, int& OutValue);
 
     void ParseOldFormat();
+    std::string TagsAsPrettyArray() const;
     bool IsDefault();
     bool mFailed { false };
     std::string mConfigFileName;