App Version added and dart format

lib/data/models/imps_transaction.dart

@@ -15,7 +15,7 @@ class ImpsTransaction {
     required this.ifscCode,
     this.remitterName,
     required this.beneficiaryName,
-    required this.tpin, 
+    required this.tpin,
     this.remarks,
   });
 

lib/data/models/neft_transaction.dart

@@ -15,7 +15,7 @@ class NeftTransaction {
     required this.ifscCode,
     required this.remitterName,
     required this.beneficiaryName,
-    required this.tpin, 
+    required this.tpin,
     this.remarks,
   });
 

lib/data/models/transfer.dart

@@ -11,7 +11,7 @@ class Transfer {
     required this.toAccount,
     required this.toAccountType,
     required this.amount,
-    this.tpin, 
+    this.tpin,
     this.remarks,
   });