feat: add basic resource pack parsing of pack.mcmeta

This parses the pack format ID and the description from the local file,
from both a ZIP and a folder, and hooks it into the model.

Signed-off-by: flow <flowlnlnln@gmail.com>

launcher/minecraft/mod/ResourcePackFolderModel.h

@@ -8,7 +8,24 @@ class ResourcePackFolderModel : public ResourceFolderModel
 {
     Q_OBJECT
 public:
+    enum Columns
+    {
+        ActiveColumn = 0,
+        NameColumn,
+        PackFormatColumn,
+        DateColumn,
+        NUM_COLUMNS
+    };
+
     explicit ResourcePackFolderModel(const QString &dir);
 
+    [[nodiscard]] QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+
+    [[nodiscard]] QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
+    [[nodiscard]] int columnCount(const QModelIndex &parent) const override;
+
+    [[nodiscard]] Task* createUpdateTask() override;
+    [[nodiscard]] Task* createParseTask(Resource&) override;
+
     RESOURCE_HELPERS(ResourcePack)
 };