added missings consts

lib/presentation/views/main_menu/group_view/create_group_view.dart

@@ -46,7 +46,7 @@ class _CreateGroupViewState extends State<CreateGroupView> {
         scrolledUnderElevation: 0,
         title: Text(
           AppLocalizations.of(context)!.create_new_group,
-          style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
+          style: const TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
         ),
         centerTitle: true,
       ),

lib/presentation/views/main_menu/match_view/create_match/choose_game_view.dart

@@ -44,7 +44,7 @@ class _ChooseGameViewState extends State<ChooseGameView> {
         ),
         title: Text(
           AppLocalizations.of(context)!.choose_game,
-          style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
+          style: const TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
         ),
         centerTitle: true,
       ),

lib/presentation/views/main_menu/match_view/create_match/choose_group_view.dart

@@ -53,7 +53,7 @@ class _ChooseGroupViewState extends State<ChooseGroupView> {
         ),
         title: Text(
           AppLocalizations.of(context)!.choose_group,
-          style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
+          style: const TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
         ),
         centerTitle: true,
       ),

lib/presentation/views/main_menu/match_view/create_match/choose_ruleset_view.dart

@@ -49,7 +49,7 @@ class _ChooseRulesetViewState extends State<ChooseRulesetView> {
           ),
           title: Text(
             AppLocalizations.of(context)!.choose_ruleset,
-            style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
+            style: const TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
           ),
           centerTitle: true,
         ),

lib/presentation/views/main_menu/match_view/create_match/create_match_view.dart

@@ -120,7 +120,7 @@ class _CreateMatchViewState extends State<CreateMatchView> {
         scrolledUnderElevation: 0,
         title: Text(
           AppLocalizations.of(context)!.create_new_match,
-          style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
+          style: const TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
         ),
         centerTitle: true,
       ),

lib/presentation/views/main_menu/match_view/match_result_view.dart

@@ -82,7 +82,7 @@ class _MatchResultViewState extends State<MatchResultView> {
                   children: [
                     Text(
                       AppLocalizations.of(context)!.select_winner,
-                      style: TextStyle(
+                      style: const TextStyle(
                         fontSize: 18,
                         fontWeight: FontWeight.bold,
                       ),

lib/presentation/widgets/player_selection.dart

@@ -180,7 +180,7 @@ class _PlayerSelectionState extends State<PlayerSelection> {
           const SizedBox(height: 10),
           Text(
             AppLocalizations.of(context)!.all_players,
-            style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
+            style: const TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
           ),
           const SizedBox(height: 10),
           /*

lib/presentation/widgets/tiles/game_history_tile.dart

@@ -116,7 +116,7 @@ class _GameHistoryTileState extends State<GameHistoryTile> {
             if (allPlayers.isNotEmpty) ...[
               Text(
                 AppLocalizations.of(context)!.players,
-                style: TextStyle(
+                style: const TextStyle(
                   fontSize: 13,
                   color: Colors.grey,
                   fontWeight: FontWeight.w500,