+Add quantity field to ingredients

+Clear list now requires confirmation
+Confirm / Cancel buttons are now coloured

one_trip/lib/widgets/confirm_dialog.dart

@@ -0,0 +1,67 @@
+import 'package:flutter/material.dart';
+import 'package:one_trip/theme.dart';
+
+class ConfirmForm extends StatefulWidget {
+  final String title;
+  const ConfirmForm({super.key, required this.title});
+
+  @override
+  State<ConfirmForm> createState() => _ConfirmFormState();
+}
+
+class _ConfirmFormState extends State<ConfirmForm> {
+  @override
+  Widget build(BuildContext context) {
+    return Card(
+      margin: EdgeInsets.zero,
+      child: Padding(
+        padding: const EdgeInsets.all(8),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Text(
+              widget.title,
+              style: Theme.of(context).textTheme.titleMedium,
+            ),
+            const Divider(),
+            const Text("This action is permanent. Do you want to continue?"),
+            Padding(
+              padding: const EdgeInsets.only(top: 8),
+              child: Row(
+                mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+                children: [
+                  ElevatedButton(
+                    style: positiveButtonStyle(context),
+                    onPressed: () => Navigator.pop(context, false),
+                    child: const Text("Go Back"),
+                  ),
+                  ElevatedButton(
+                    style: negativeButtonStyle(context),
+                    onPressed: () => Navigator.pop(context, true),
+                    child: const Text("Continue"),
+                  ),
+                ],
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+Future<bool> confirmDialog(BuildContext context, String title) async {
+  bool? value = await showDialog(
+    context: context,
+    builder: (context) {
+      return Dialog(
+        child: ConfirmForm(
+          title: title,
+        ),
+      );
+    },
+  );
+
+  return value ?? false;
+}