feat(auth): implement OTP login flow with toast notifications

feat(content): enhance detail view with dynamic content and comments
feat(order): add polling for payment status in the payment view
feat(user): update dashboard to display wallet and recent orders
feat(user): improve orders view with dynamic order fetching and status mapping
feat(api): create API modules for auth, content, order, user, and common functionalities
refactor(request): implement a centralized request utility for API calls

frontend/portal/src/api/content.js

@@ -0,0 +1,13 @@
+import { request } from '../utils/request';
+
+export const contentApi = {
+    list: (params) => {
+        const qs = new URLSearchParams(params).toString();
+        return request(`/contents?${qs}`);
+    },
+    get: (id) => request(`/contents/${id}`),
+    listComments: (id, page) => request(`/contents/${id}/comments?page=${page || 1}`),
+    createComment: (id, data) => request(`/contents/${id}/comments`, { method: 'POST', body: data }),
+    likeComment: (id) => request(`/comments/${id}/like`, { method: 'POST' }),
+    listTopics: () => request('/topics'),
+};