update texture licenses (thanks OgelGames)

license.txt

@@ -144,10 +144,14 @@ Created by VanessaE and edited by SpaghettiToastBook (CC0):
 Created by mDiyo (Natura), modified by TenPlus1 (License: CC BY-SA 3.0):
   farming_barley.png
 
+Created by OgelGames (CC BY-SA 4.0)
+   farming_berry_smoothie.png
+   farming_cactus_juice.png
+   farming_salad.png
+
 Created by Felfa
    farming_blackberry*.png
    farming_lettuce*.png
    farming_burger.png
-   farming_berry_smoothie.png
    farming_soy*.png
    farming_vanilla*.png