feat: add staff and user authentication APIs with request handling

app/apis/news/login-user.ts

@@ -9,7 +9,7 @@ const loginResponseSchema = z.object({
   }),
 })
 
-export const newsLoginRequest = async (payload: TLoginSchema) => {
+export const userLoginRequest = async (payload: TLoginSchema) => {
   try {
     const { data } = await HttpServer().post('/api/user/login', payload)
     return loginResponseSchema.parse(data)

app/apis/news/register-user.ts

@@ -9,7 +9,7 @@ const loginResponseSchema = z.object({
   }),
 })
 
-export const newsRegisterRequest = async (payload: TRegisterSchema) => {
+export const userRegisterRequest = async (payload: TRegisterSchema) => {
   try {
     const { subscribe_plan, ...restPayload } = payload
     const transformedPayload = {