feat: uggly leaderboard

app/src/main/java/gui/widget/LeaderboardRenderer.java

@@ -0,0 +1,25 @@
+package gui.widget;
+
+import game.Game;
+import game.Player;
+import imgui.ImGui;
+
+public class LeaderboardRenderer {
+
+	private final Game game;
+	private final Player currentPlayer;
+
+	public LeaderboardRenderer(Game game, Player player) {
+		this.game = game;
+		this.currentPlayer = player;
+	}
+
+	public void render() {
+		ImGui.text("Leaderboard");
+		for (var entry : game.getPlayers().entrySet()) {
+			Player player = entry.getValue();
+			ImGui.text(player.getPseudo() + " : " + player.getScore());
+		}
+	}
+
+}