Merge pull request #4731 from pawamoy/patch-3

Add mkdocstrings JSON schema

docs/schema/plugins.json

@@ -85,6 +85,9 @@
         },
         {
           "$ref": "https://raw.githubusercontent.com/prcr/mkdocs-meta-descriptions-plugin/main/schema.json"
+        },
+        {
+          "$ref": "https://raw.githubusercontent.com/mkdocstrings/mkdocstrings/master/docs/schema.json"
         }
       ]
     }