Restructure store and payment settings (#2995)

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

BTCPayServer/Models/StoreViewModels/LightningSettingsViewModel.cs

@@ -0,0 +1,36 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace BTCPayServer.Models.StoreViewModels
+{
+    public class LightningSettingsViewModel : LightningNodeViewModel
+    {
+        // Payment
+        [Display(Name = "Display Lightning payment amounts in Satoshis")]
+        public bool LightningAmountInSatoshi { get; set; }
+
+        [Display(Name = "Add hop hints for private channels to the Lightning invoice")]
+        public bool LightningPrivateRouteHints { get; set; }
+
+        [Display(Name = "Include Lightning invoice fallback to on-chain BIP21 payment URL")]
+        public bool OnChainWithLnInvoiceFallback { get; set; }
+
+        [Display(Name = "Description template of the lightning invoice")]
+        public string LightningDescriptionTemplate { get; set; }
+        
+        // LNURL
+        [Display(Name = "Enable LNURL")]
+        public bool LNURLEnabled { get; set; }
+        
+        [Display(Name = "LNURL Classic Mode")]
+        public bool LNURLBech32Mode { get; set; } = true;
+
+        [Display(Name = "LNURL enabled for standard invoices")]
+        public bool LNURLStandardInvoiceEnabled { get; set; } = true;
+        
+        [Display(Name = "Allow payee to pass a comment")]
+        public bool LUD12Enabled { get; set; }
+        
+        [Display(Name = "Do not offer BOLT11 for standard invoices")]
+        public bool DisableBolt11PaymentMethod { get; set; }
+    }
+}