Made the popup system a lot more generic

Packages/com.jovian.popup-system/Runtime/PopupSettings.cs

@@ -24,12 +24,33 @@ namespace Jovian.PopupSystem {
         public float touchHoldDuration = 0.6f;
         public bool gamepadFocusTrigger = true;
 
+        [Header("Element Prefabs")]
+        public List<PopupElementEntry> elementPrefabs = new();
+
         [Header("Priority")]
         public List<CategoryPriority> categoryPriorities = new();
 
         [Header("Per-Category Overrides")]
         public List<CategoryDelay> categoryDelayOverrides = new();
 
+        private Dictionary<PopupElementType, GameObject> prefabLookup;
+
+        /// <summary>
+        /// Returns the element prefab registered under the given type, or null if not found.
+        /// </summary>
+        public GameObject GetPrefab(PopupElementType elementType) {
+            if(prefabLookup == null) {
+                prefabLookup = new Dictionary<PopupElementType, GameObject>();
+                foreach(var entry in elementPrefabs) {
+                    if(!string.IsNullOrEmpty(entry.type.Id) && entry.prefab != null) {
+                        prefabLookup[entry.type] = entry.prefab;
+                    }
+                }
+            }
+            prefabLookup.TryGetValue(elementType, out var result);
+            return result;
+        }
+
         /// <summary>
         /// Returns the configured priority for a category, or 0 if not configured.
         /// </summary>
@@ -55,6 +76,12 @@ namespace Jovian.PopupSystem {
         }
     }
 
+    [Serializable]
+    public sealed class PopupElementEntry {
+        public PopupElementType type;
+        public GameObject prefab;
+    }
+
     [Serializable]
     public sealed class CategoryPriority {
         public PopupCategory category;