feat: 添加折扣管理菜单到global_menu

- 管理员侧新增'折扣管理'菜单(定价管理后面)
- 子菜单: 折扣方案/折扣产品明细/营销方案/促销码/客户归属
- 新增percent.svg图标

wwwroot/global_menu.ui

@@ -137,6 +137,43 @@
                 "url": "{{entire_url('/pricing/pricing_program')}}",
                 "target": "app.sage_main_content"
             }
+            ,{
+                "name": "discount",
+                "label": "折扣管理",
+                "icon": "{{entire_url('/imgs/percent.svg')}}",
+                "items": [
+                    {
+                        "name": "discount_list",
+                        "label": "折扣方案",
+                        "url": "{{entire_url('/discount/discount_list.ui')}}",
+                        "target": "app.sage_main_content"
+                    },
+                    {
+                        "name": "discount_detail_list",
+                        "label": "折扣产品明细",
+                        "url": "{{entire_url('/discount/discount_detail_list.ui')}}",
+                        "target": "app.sage_main_content"
+                    },
+                    {
+                        "name": "discount_marketing_list",
+                        "label": "营销方案",
+                        "url": "{{entire_url('/discount/discount_marketing_list/index.ui')}}",
+                        "target": "app.sage_main_content"
+                    },
+                    {
+                        "name": "discount_promo_code_list",
+                        "label": "促销码",
+                        "url": "{{entire_url('/discount/discount_promo_code_list/index.ui')}}",
+                        "target": "app.sage_main_content"
+                    },
+                    {
+                        "name": "discount_customer_bind_list",
+                        "label": "客户归属",
+                        "url": "{{entire_url('/discount/discount_customer_bind_list/index.ui')}}",
+                        "target": "app.sage_main_content"
+                    }
+                ]
+            }
             ,{
                 "name": "accounting_center",
                 "label": "账务中心",

wwwroot/imgs/percent.svg

@@ -0,0 +1,5 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+  <line x1="19" y1="5" x2="5" y2="19"></line>
+  <circle cx="6.5" cy="6.5" r="2.5"></circle>
+  <circle cx="17.5" cy="17.5" r="2.5"></circle>
+</svg>