feat: create statistics view

lib/core/enums.dart

@@ -44,3 +44,31 @@ enum Ruleset {
 
 /// Different colors for highlighting games
 enum GameColor { red, orange, yellow, green, teal, blue, purple, pink }
+
+enum StatisticType {
+  totalMatches,
+  totalWins,
+  totalScore,
+  totalLosses,
+  averageScore,
+  bestScore,
+  worstScore,
+  winrate,
+}
+
+enum StatisticScope {
+  allPlayers,
+  //selectedPlayer,
+  selectedGroups,
+  selectedGames,
+  timeframe,
+}
+
+enum Timeframe {
+  last7Days,
+  last30Days,
+  last90Days,
+  last180Days,
+  lastYear,
+  allTime,
+}