Add high scores level with specific settings, new resources for images and textures, update project configuration to include HighScoreMgr, and define style boxes for game theme.

levels/rules/high_scores.tres

@@ -0,0 +1,16 @@
+[gd_resource type="Resource" script_class="GameRulesResource" load_steps=2 format=3 uid="uid://dxkuoaiws5cc3"]
+
+[ext_resource type="Script" path="res://components/scripts/game_rules.gd" id="1_g4ck5"]
+
+[resource]
+script = ExtResource("1_g4ck5")
+level_number = 20
+level_name = "High Scores"
+level_description = "These are the high scores"
+bees_available = 5
+nectar_required = 9999999
+level_par = 2
+collector_enabled = false
+dancer_enabled = false
+director_enabled = false
+distractor_enabled = false