Adding a small empty timeline view to make it more obvious when there is no content and when there is content

damus/Views/Empty Views/EmptyTimelineView.swift

@@ -0,0 +1,29 @@
+//
+//  EmptyNotificationsView.swift
+//  damus
+//
+//  Created by Sam DuBois on 12/17/22.
+//
+
+import SwiftUI
+
+struct EmptyTimelineView: View {
+    var body: some View {
+        VStack {
+            Image(systemName: "tray.fill")
+                .font(.system(size: 35))
+                .padding()
+            Text("Nothing to see here. Check back later!")
+                .multilineTextAlignment(.center)
+                .font(.callout.weight(.medium))
+        }
+        .foregroundColor(.gray)
+        .padding()
+    }
+}
+
+struct EmptyTimelineView_Previews: PreviewProvider {
+    static var previews: some View {
+        EmptyTimelineView()
+    }
+}