Add school dress rules tab in Management with tests.

src/HSchool.Content/Appropriateness.cs

@@ -112,6 +112,21 @@ public static class Appropriateness
             return false;
         }
 
+        if (rules.Color.Equals(ColorPolicies.WhiteTopBlackBottom, StringComparison.Ordinal))
+        {
+            if (def.Layers.Contains(ApparelLayers.Top, StringComparer.Ordinal)
+                && !color.Equals("White", StringComparison.Ordinal))
+            {
+                return false;
+            }
+
+            if (def.Layers.Contains(ApparelLayers.Bottom, StringComparer.Ordinal)
+                && !color.Equals("Black", StringComparison.Ordinal))
+            {
+                return false;
+            }
+        }
+
         return true;
     }