Better detection for Foundation

- Detected 17 websites from a list of 30 websites using Foundation (previously only detected 7)
- Only detects websites using Foundation 4 and above (new small-x, medium-x, large-x syntax)

share/apps.json

@@ -4247,8 +4247,7 @@
 		"ZURB Foundation": {
 			"website": "foundation.zurb.com",
 			"cats": [ 18 ],
-			"html": "<link[^>]+foundation[^>\"]+css",
-			"html": "<div.*class=\".*columns.*\""
+			"html": [ "<link[^>]+foundation[^>\"]+css", "<div.*class=\".*(small|medium|large)-\\d{1,2}.*columns.*\"" ]
 		}
 	}
 }