fix: make getUsers endpoint public for login page + translate remaining Romanian comments

frontend/app/login/page.tsx

@@ -46,13 +46,13 @@ export default function LoginPage() {
     }
 
     try {
-      // [C-01] Login vrânceanu token JWT
+      // [C-01] Login returns JWT token
       const tokenResponse = await inventoryApi.login({
         username,
         password
       });
 
-      // Save JWT token și user info
+      // Save JWT token and user info
       saveToken(tokenResponse);
       toast.success(`Welcome back, ${tokenResponse.username}`);
 
@@ -67,7 +67,7 @@ export default function LoginPage() {
   };
 
   const handleSelectUser = async (user: any) => {
-    // [C-01] Toți userii necesită parolă pentru JWT
+    // [C-01] All users require password for JWT
     setSelectedUserForLogin(user);
   };