feat: update staff data

internal/services/staffsvc/get_users.go

@@ -0,0 +1,7 @@
+package staffsvc
+
+import userdomain "legalgo-BE-go/internal/domain/user"
+
+func (i *impl) GetUsers() ([]userdomain.UserProfile, error) {
+	return i.staffRepo.GetUsers()
+}