(Grav GitSync) Automatic Commit from tanshu

pages/12.training-materials/beer/docs.md

@@ -45,4 +45,8 @@ Beer should be served cold with a fine collar of froth on it. The froth comes fr
 [mermaid]
 graph TD;
   Barley-->Hops;
+  Hops-->Roasting;
+  Roasting-->Crushing;
+  Crushing-->Wort (crushed malt mixed in water);
+  Wort (crushed malt mixed in water)-->Fermentation;
 [/mermaid]