Fix: admin investasi

Deskripsi:
- Fix image dari server wibu
## No Issue

src/app/lib/router_admin/router_admin_global.ts

@@ -0,0 +1,7 @@
+export const RouterAdminGlobal = {
+    /**
+     * @param fileId | file id from wibu storage , atau bisa diambil di DB
+     * @type {string}
+     */
+  preview_image: ({ id }: { id: string }) => `/dev/admin/preview-image/${id}`,
+};