Restructure store and payment settings (#2995)

Co-authored-by: Kukks <evilkukka@gmail.com>

BTCPayServer/Models/StoreViewModels/PaymentMethodsViewModel.cs

@@ -0,0 +1,33 @@
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using BTCPayServer.Client.Models;
+
+namespace BTCPayServer.Models.StoreViewModels
+{
+    public class PaymentMethodsViewModel
+    {
+        public string Id { get; set; }
+        public List<StoreDerivationScheme> DerivationSchemes { get; set; }
+        public List<StoreLightningNode> LightningNodes { get; set; }
+        public bool HintWallet { get; set; }
+        public bool HintLightning { get; set; }
+        
+        [Display(Name = "Allow anyone to create invoice")]
+        public bool AnyoneCanCreateInvoice { get; set; }
+
+        [Display(Name = "Invoice expires if the full amount has not been paid after …")]
+        [Range(1, 60 * 24 * 24)]
+        public int InvoiceExpiration { get; set; }
+
+        [Display(Name = "Add additional fee (network fee) to invoice …")]
+        public NetworkFeeMode NetworkFeeMode { get; set; }
+
+        [Display(Name = "Consider the invoice paid even if the paid amount is ... % less than expected")]
+        [Range(0, 100)]
+        public double PaymentTolerance { get; set; }
+        
+        [Display(Name = "Default currency")]
+        [MaxLength(10)]
+        public string DefaultCurrency { get; set; }
+    }
+}