Add support for translating content titles and descriptions (#12208)

src/content/content.h

@@ -22,6 +22,16 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "convert_json.h"
 #include "irrlichttypes.h"
 
+enum class ContentType
+{
+	UNKNOWN,
+	MOD,
+	MODPACK,
+	GAME,
+	TXP
+};
+
+
 struct ContentSpec
 {
 	std::string type;
@@ -37,6 +47,9 @@ struct ContentSpec
 	/// Short description
 	std::string desc;
 	std::string path;
+	std::string textdomain;
 };
 
+
+ContentType getContentType(const std::string &path);
 void parseContentInfo(ContentSpec &spec);