Add MD060 rule to markdownlint configuration

Author: brown9804

.github/.markdownlint.json

@@ -8,5 +8,8 @@
   "MD033": false,
   "MD048": false,
   "MD040": false, 
-  "MD041": false
+  "MD041": false,
+  "MD060": {
+    "style": "any"
+  }
 }