feat: add Mado configuration to catalog (SchemaStore#4996)

https://github.com/akiomik/mado#configuration

Author: scop

src/api/json/catalog.json

@@ -3660,6 +3660,12 @@
       "fileMatch": [".luaurc"],
       "url": "https://www.schemastore.org/luaurc.json"
     },
+    {
+      "name": "Mado configuration",
+      "description": "Mado markdown linter configuration file",
+      "fileMatch": [".mado.toml", "mado.toml"],
+      "url": "https://raw.githubusercontent.com/akiomik/mado/refs/heads/main/pkg/json-schema/mado.json"
+    },
     {
       "name": "MapEHR Mapping",
       "description": "Mapping for MapEHR.com",