refactor: Discography.jsx를 Album.jsx로 이름 변경

- 파일명 및 컴포넌트명 통일
- 멤버 소개 텍스트 수정

frontend/src/App.jsx

@@ -4,7 +4,7 @@ import { BrowserView, MobileView } from 'react-device-detect';
 // PC 페이지
 import PCHome from './pages/pc/Home';
 import PCMembers from './pages/pc/Members';
-import PCDiscography from './pages/pc/Discography';
+import PCAlbum from './pages/pc/Album';
 import PCAlbumDetail from './pages/pc/AlbumDetail';
 import PCAlbumGallery from './pages/pc/AlbumGallery';
 import PCSchedule from './pages/pc/Schedule';
@@ -38,7 +38,7 @@ function App() {
                             <Routes>
                                 <Route path="/" element={<PCHome />} />
                                 <Route path="/members" element={<PCMembers />} />
-                                <Route path="/album" element={<PCDiscography />} />
+                                <Route path="/album" element={<PCAlbum />} />
                                 <Route path="/album/:name" element={<PCAlbumDetail />} />
                                 <Route path="/album/:name/gallery" element={<PCAlbumGallery />} />
                                 <Route path="/schedule" element={<PCSchedule />} />

frontend/src/pages/pc/Album.jsx

@@ -3,7 +3,7 @@ import { useNavigate } from 'react-router-dom';
 import { motion } from 'framer-motion';
 import { Calendar, Music } from 'lucide-react';
 
-function Discography() {
+function Album() {
     const navigate = useNavigate();
     const [albums, setAlbums] = useState([]);
     const [loading, setLoading] = useState(true);
@@ -160,4 +160,4 @@ function Discography() {
     );
 }
 
-export default Discography;
+export default Album;

frontend/src/pages/pc/Members.jsx

@@ -56,7 +56,7 @@ function Members() {
                         transition={{ delay: 0.2 }}
                         className="text-gray-500"
                     >
-                        프로미스나인의 {stats.memberCount}명의 멤버를 소개합니다
+                        프로미스나인의 멤버를 소개합니다
                     </motion.p>
                 </div>