feat：mock 的对接了首页、分类、商家列表和详情的接口

src/mock/v1/categories.json

@@ -0,0 +1,47 @@
+{
+  "items": [
+    {
+      "id": "category-scenic-comprehensive",
+      "name": "综合景区",
+      "sort_order": 1,
+      "merchant_count": 3
+    },
+    {
+      "id": "category-scenic-natural",
+      "name": "自然景观",
+      "sort_order": 2,
+      "merchant_count": 8
+    },
+    {
+      "id": "category-scenic-rural-culture",
+      "name": "乡村文旅",
+      "sort_order": 3,
+      "merchant_count": 3
+    },
+    {
+      "id": "category-scenic-themed-town",
+      "name": "主题小镇",
+      "sort_order": 4,
+      "merchant_count": 1
+    },
+    {
+      "id": "category-scenic-landmark",
+      "name": "地标观光",
+      "sort_order": 5,
+      "merchant_count": 1
+    },
+    {
+      "id": "category-scenic-recreation",
+      "name": "游乐体验",
+      "sort_order": 6,
+      "merchant_count": 1
+    },
+    {
+      "id": "category-scenic-performance",
+      "name": "演艺体验",
+      "sort_order": 7,
+      "merchant_count": 1
+    }
+  ],
+  "total": 7
+}