add basic support for title installing

sphaira/include/ui/menus/filebrowser.hpp

@@ -122,6 +122,8 @@ struct Menu final : MenuBase {
 private:
     void SetIndex(s64 index);
     void InstallForwarder();
+    void InstallFile(const FileEntry& target);
+    void InstallFiles(const std::vector<FileEntry>& targets);
     auto Scan(const fs::FsPath& new_path, bool is_walk_up = false) -> Result;
 
     void LoadAssocEntriesPath(const fs::FsPath& path);

sphaira/include/ui/progress_box.hpp

@@ -21,6 +21,7 @@ struct ProgressBox final : Widget {
     auto Update(Controller* controller, TouchInfo* touch) -> void override;
     auto Draw(NVGcontext* vg, Theme* theme) -> void override;
 
+    auto SetTitle(const std::string& title) -> ProgressBox&;
     auto NewTransfer(const std::string& transfer) -> ProgressBox&;
     auto UpdateTransfer(s64 offset, s64 size) -> ProgressBox&;
     void RequestExit();