Add Release Hub schema to catalog.json (SchemaStore#5103)

Added schema for Release Hub configuration files.

Author: teneplaysofficial

src/api/json/catalog.json

@@ -2,6 +2,17 @@
   "$schema": "https://json.schemastore.org/schema-catalog.json",
   "version": 1,
   "schemas": [
+    {
+      "name": "release-hub.json",
+      "description": "Configuration file for Release Hub",
+      "fileMatch": [
+        ".release-hub.json",
+        ".release-hub.config.json",
+        "release-hub.json",
+        "release-hub.config.json"
+      ],
+      "url": "https://raw.githubusercontent.com/teneplaysofficial/release-hub/main/schema/release-hub.schema.json"
+    },
     {
       "name": "Bacon config",
       "description": "Bacon configuration file",