feat(content): 추천 오디오 탭을 추가한다

SodaLive/Sources/V2/Main/Content/Recommendation/Components/MainContentAudioEmptyStateView.swift

@@ -0,0 +1,20 @@
+import SwiftUI
+
+struct MainContentAudioEmptyStateView: View {
+    let message: String
+
+    var body: some View {
+        VStack(spacing: SodaSpacing.s12) {
+            Image(systemName: "waveform")
+                .font(.system(size: 32, weight: .semibold))
+                .foregroundColor(Color.gray600)
+
+            Text(message)
+                .appFont(.body1)
+                .foregroundColor(Color.gray400)
+                .multilineTextAlignment(.center)
+        }
+        .frame(maxWidth: .infinity, maxHeight: .infinity)
+        .padding(SodaSpacing.s20)
+    }
+}