Updated create fact

DOC/create_fact.md

@@ -60,5 +60,11 @@
 
 7. Create an Icon for your Fact
 
-    1.  Create an icon-image with dimensions: 200x200 and save it into: "Assets\Scripts\InventoryStuff\Items\images"
-    2.   
+    1.  Create an Icon-image
+        1.1 Create an icon-image with dimensions: 200x200 and save it into: "Assets\Scripts\InventoryStuff\Items\images"
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+        1.2 Change the "Texture Type" to: "Sprite (2D and UI)", the "Sprite Mode" to "single" and finally the "Pixel per unit" to "256".
+    2.  Create the prefab for you facticon in: "Assets\Resources\Prefabs\UI\Icons\FactIcons", and drag your created sprite into "Source Image"
+    3.  Open: "Assets\Scenes\Worlds\River World"
+    4.  Then search for "DisplayFacts" and open "Factscreen".
+    5.  In both factscreens search for the rownumber of your factclass in "Prefabt Type Readonly" (yes, this is the real name not a typo),
+        then drag your created prefab into "Prefab Data Config" into the row with the same rownumber.
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