feat: support login

- migrate old API into typescript but not finished (only webLogin works now)
- seperate the logger of backend due to the shitty behavior of Flask (change logging level)

frontend/src/api/admin.ts

@@ -0,0 +1,75 @@
+import { apiWrapper, boolApiWrapper } from './index'
+
+// User interface
+interface User {
+  username: string
+  isAdmin: boolean
+  // Add other user-related fields as needed
+}
+
+/**
+ * Get all users (admin only)
+ * @param token - Authentication token
+ * @returns Array of users or null if operation failed
+ */
+export async function get(token: string): Promise<User[] | undefined> {
+  return apiWrapper('/api/admin/get', { token });
+}
+
+/**
+ * Add new user (admin only)
+ * @param token - Authentication token
+ * @param username - Username
+ * @returns Created user or null if operation failed
+ */
+export async function add(token: string, username: string): Promise<User | undefined> {
+  return apiWrapper('/api/admin/add', { token, username });
+}
+
+/**
+ * Update user (admin only)
+ * @param token - Authentication token
+ * @param username - Username
+ * @param params - Update parameters (partial)
+ * @returns true if update successful, false otherwise
+ */
+export async function update(
+  token: string,
+  username: string,
+  params: {
+    password?: string
+    isAdmin?: boolean
+  }
+): Promise<boolean> {
+  const data: any = {
+    token,
+    username
+  };
+
+  let count = 0;
+  if (typeof params.password !== 'undefined') { 
+    data.password = params.password; 
+    count++; 
+  }
+  if (typeof params.isAdmin !== 'undefined') { 
+    data.isAdmin = params.isAdmin; 
+    count++; 
+  }
+
+  // If no update parameters provided, return true
+  if (count === 0) {
+    return true;
+  }
+
+  return boolApiWrapper('/api/admin/update', data);
+}
+
+/**
+ * Delete user (admin only)
+ * @param token - Authentication token
+ * @param username - Username
+ * @returns true if deletion successful, false otherwise
+ */
+export async function deleteItem(token: string, username: string): Promise<boolean> {
+  return boolApiWrapper('/api/admin/delete', { token, username });
+}