feat: add MongoDB search method, endpoints, and settings module

components/user/userService.js

@@ -159,10 +159,19 @@ const loginUser = async (email, password) => {
     return { token: signToken(user._id), user }
 }
 
-const getAllUsers = async () => {
-    return User.find({}).populate('role').sort({ createdAt: -1 })
+const getAllUsers = async (query = {}) => {
+    const mongoQuery = {}
+    const search = (query.search || query.query || '').trim()
+    if (search) {
+        mongoQuery.$or = [
+            { name: { $regex: search, $options: 'i' } },
+            { email: { $regex: search, $options: 'i' } },
+        ]
+    }
+    return User.find(mongoQuery).populate('role').sort({ createdAt: -1 })
 }
 
+
 const getUser = async (userId) => {
     const user = await User.findById(userId).populate('role')