Improve Bootstarp detection

Match CSS whitespace via `\s`

src/apps.json

@@ -1698,7 +1698,7 @@
       ],
       "cpe": "cpe:/a:getbootstrap:bootstrap",
       "html": [
-        "<style>/\\*!\\* Bootstrap v(\\d\\.\\d\\.\\d)\\;version:\\1",
+        "<style>\\s+/\\*!\\s+\\* Bootstrap v(\\d\\.\\d\\.\\d)\\;version:\\1",
         "<link[^>]* href=[^>]*?bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\\d]+(?:.[\\d]+(?:.[\\d]+)?)?)|)[^>]*?(?:\\.min)?\\.css\\;version:\\1"
       ],
       "implies": [
@@ -15473,4 +15473,4 @@
       "priority": 6
     }
   }
-}
+}