feat(i18n): 라이브 룸 하드코딩 문구를 I18n 키로 통일한다

SodaLive/Sources/Live/Room/Menu/MenuSettingsView.swift

@@ -16,7 +16,7 @@ struct MenuSettingsView: View {
     var body: some View {
         BaseView(isLoading: $viewModel.isLoading) {
             VStack(spacing: 13.3) {
-                DetailNavigationBar(title: "메뉴 설정") {
+                DetailNavigationBar(title: I18n.MemberChannel.menuSettings) {
                     isShowing = false
                 }
                 
@@ -52,7 +52,7 @@ struct MenuSettingsView: View {
                 
                 TextViewWrapper(
                     text: $viewModel.menu,
-                    placeholder: "메뉴판을 작성해주세요.",
+                    placeholder: I18n.CreateLive.menuPlaceholder,
                     textColorHex: "eeeeee",
                     backgroundColorHex: "303030"
                 )
@@ -60,7 +60,7 @@ struct MenuSettingsView: View {
                 .cornerRadius(6.7)
                 .padding(.horizontal, 13.3)
                 
-                Text("저장하기")
+                Text(I18n.CreateLive.saveMenuAction)
                     .appFont(size: 18.3, weight: .bold)
                     .foregroundColor(.white)
                     .padding(.vertical, 16)