从@abearxiong/config拷贝过来

config/schema.json

@@ -0,0 +1,13 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "Packages JSON Schema",
+  "type": "object",
+  "properties": {
+    "app": {
+      "$ref": "./app-schema.json"
+    }
+  },
+  "required": [
+    "app"
+  ]
+}