feat(app): iOS error screens

apps/mobile/metro-now/metro-now/pages/error/no-location.view.swift

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+// metro-now
+// https://github.com/krystxf/metro-now
+
+import SwiftUI
+
+struct NoLocationView: View {
+    var body: some View {
+        ContentUnavailableView {
+            Label(
+                "Location Unavailable",
+                systemImage: "location.slash"
+            )
+        } description: {
+            Text(
+                "Make sure you granted location permission to the app."
+            )
+        }
+    }
+}
+
+#Preview {
+    NoLocationView()
+}

apps/mobile/metro-now/metro-now/pages/error/no-network-connection.view.swift

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+// metro-now
+// https://github.com/krystxf/metro-now
+
+import SwiftUI
+
+struct NoNetworkConectionView: View {
+    var body: some View {
+        ContentUnavailableView {
+            Label(
+                "No Internet Connection",
+                systemImage: "antenna.radiowaves.left.and.right.slash"
+            )
+        } description: {
+            Text(
+                "Please check your connection and try again."
+            )
+        }
+    }
+}
+
+#Preview {
+    NoNetworkConectionView()
+}