Merge pull request #171 from per1234/link-check-timeout

Increase timeout duration for link check

Author: per1234

.markdown-link-check.json

@@ -8,6 +8,7 @@
     }
   ],
   "retryOn429": true,
+  "timeout": "30s",
   "retryCount": 3,
   "aliveStatusCodes": [200, 206]
 }