feat: enhance navigation by adding recipe links in inventory and pantry screens

flutter/lib/features/inventory/presentation/consume_inventory_screen.dart

@@ -47,7 +47,7 @@ class _ConsumeInventoryScreenState
           );
       ref.invalidate(inventoryDetailProvider(widget.itemId));
       ref.invalidate(inventoryProvider);
-      if (mounted) context.pop();
+      if (mounted) context.go('/inventory');
     } catch (e) {
       if (mounted) {
         ScaffoldMessenger.of(context)

flutter/lib/features/inventory/presentation/inventory_screen.dart

@@ -119,10 +119,21 @@ class InventoryScreen extends ConsumerWidget {
             Positioned(
               right: 16,
               bottom: 16,
-              child: FloatingActionButton.extended(
-                onPressed: () => context.push('/inventory/create'),
-                icon: const Icon(Icons.add),
-                label: const Text('Lägg till'),
+              child: Column(
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  FloatingActionButton.extended(
+                    onPressed: () => context.push('/inventory/create'),
+                    icon: const Icon(Icons.add),
+                    label: const Text('Lägg till'),
+                  ),
+                  const SizedBox(height: 8),
+                  FloatingActionButton.extended(
+                    onPressed: () => context.go('/recipes'),
+                    icon: const Icon(Icons.restaurant_menu),
+                    label: const Text('Recept'),
+                  ),
+                ],
               ),
             ),
           ],