Stemify iOS 1.1 and WebUI updates, repo restructure into desktop/ios/server/web

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

ios/Stemify/UI/Components/Chrome.swift

@@ -60,14 +60,14 @@ struct Artwork: View {
     }
 }
 
-/// Settings.app-style coloured rounded-square icon.
+/// A settings icon: the glyph in its colour on a faint wash of the same colour.
 struct SettingsIcon: View {
     let symbol: String
     let bg: UInt32
     var body: some View {
-        Image(systemName: symbol).font(.system(size: 16, weight: .medium)).foregroundStyle(.white)
+        Image(systemName: symbol).font(.system(size: 15, weight: .semibold)).foregroundStyle(Color(hex: bg))
             .frame(width: 30, height: 30)
-            .background(Color(hex: bg), in: RoundedRectangle(cornerRadius: 7, style: .continuous))
+            .background(Color(hex: bg).opacity(0.16), in: RoundedRectangle(cornerRadius: 8, style: .continuous))
     }
 }
 
@@ -124,8 +124,8 @@ struct ErrorRow: View {
     @Environment(Ui.self) private var ui
     var body: some View {
         if !AppGraph.shared.plex.signedIn {
-            EmptyState(icon: "server.rack", title: "Not Connected", message: "Sign in to your Plex server to see your music here.", action: "Connect") {
-                ui.push(.PlexAccount)
+            EmptyState(icon: "server.rack", title: "Not Connected", message: "Add your Plex or Jellyfin server to see your music here.", action: "Connect") {
+                ui.push(.Servers)
             }
         } else {
             EmptyState(icon: "exclamationmark.triangle", title: "Couldn't Load", message: message, action: "Try Again", onAction: retry)