refactor(config): 优化自定义组件路径配置

- 在 custom 配置中添加 navBar 组件映射

src/pages.json

@@ -5,7 +5,8 @@
 		"custom": {
 			"^u--(.*)": "uview-plus/components/u-$1/u-$1.vue",
 			"^up-(.*)": "uview-plus/components/u-$1/u-$1.vue",
-	        "^u-([^-].*)": "uview-plus/components/u-$1/u-$1.vue"
+	        "^u-([^-].*)" : "uview-plus/components/u-$1/u-$1.vue",
+			"^navBar$": "@/components/navBar.vue"
 		}
 	},
 	"pages": [ //pages数组中第一项表示应用启动页，参考：https://uniapp.dcloud.io/collocation/pages