feat: add PieceInfo display

src/ui/base/UIWidgetFactory.h

@@ -21,6 +21,7 @@ public:
         label->setText(text, {"SourceHanSansSC-Regular.otf", UI::UI_NORMAL_FONT_SIZE, {0, 0, 0, 255}});
         label->setName(name);
         label->setVisible(true);
+        label->setBackgroundColor({0, 0, 0, 0});
         return label;
     }
 

src/ui/managers/GameUIManager.cpp

@@ -177,6 +177,15 @@ void GameUIManager::setupUIComponents() {
     );
     m_labels.emplace(playerLabel->getNameHash(), std::move(playerLabel));
 
+    auto pieceInfoLabel = UIWidgetFactory::createStandardLabel(
+        "PieceInfoLabel",
+        "HP: 0\nATK: 0",
+        120,
+        0
+    );
+    pieceInfoLabel->setVisible(false);
+    m_labels.emplace(pieceInfoLabel->getNameHash(), std::move(pieceInfoLabel));
+
 }