Update 2 files

- /docs/images/week11/crystals.jpg
- /docs/assignments/week11.md

docs/assignments/week11.md

@@ -128,6 +128,9 @@ Works on both natural and synthetic fabrics but works expecially well on plant-b
 
 ## **GROWING ALUM CRYSTALS**
 
+![Milling](../images/week11/crystals.jpg){ width=1000 } 
+
+
 |||||
 | -------------- | --------- | ------------ | --------|
 |  Alum |200g | Water | 600ml |