Split app.js into modular components (state, evaluation, ui, board, data)

js/state.js

@@ -0,0 +1,22 @@
+/**
+ * Lara Kiesewetter – Live Schachturnier
+ * Global state
+ */
+
+/* global Chess */
+
+let board = null;
+let chess = null;
+let currentGame = null;
+let allLaraGames = [];
+let currentMoveIndex = -1;
+let userSelectedGame = false;
+let evalAbortController = null;
+let lastEvalFen = null;
+let currentRound = 0;
+let roundPgns = {};
+let pollId = 0;
+let pollInterval = null;
+let updateTimer = null;
+let standingsInterval = null;
+let previousMoveCount = -1;