Add TextView UI component

src/Game.cpp

@@ -275,6 +275,15 @@ namespace ZL
 		loadGameplayUI = [this]() {
 			uiManager.loadFromFile("resources/config/ui.json", renderer, CONST_ZIP_FILE);
 
+			auto velocityTv = uiManager.findTextView("velocityText");
+			if (velocityTv) {
+				velocityTv->rect.x = 10.0f;
+				velocityTv->rect.y = static_cast<float>(Environment::height) - velocityTv->rect.h - 10.0f;
+			}
+			else {
+				std::cerr << "Failed to find velocityText in UI" << std::endl;
+			}
+
 			uiManager.startAnimationOnNode("backgroundNode", "bgScroll");
 			static bool isExitButtonAnimating = false;
 			uiManager.setAnimationCallback("settingsButton", "buttonsExit", [this]() {
@@ -1206,6 +1215,10 @@ namespace ZL
 				}
 			}
 
+			// update velocity text
+			std::string velocityStr = "Velocity: " + std::to_string(static_cast<int>(Environment::shipState.velocity));
+			uiManager.setText("velocityText", velocityStr);
+
 			uiManager.update(static_cast<float>(delta));
 			lastTickCount = newTickCount;
 		}