chore: ICAP initializer added;

Author: JeneaVranceanu

Sources/web3swift/KeystoreManager/IBAN.swift

@@ -11,6 +11,12 @@ public struct ICAP {
  public var asset: String
  public var institution: String
  public var client: String
+
+ public init(asset: String, institution: String, client: String) {
+ self.asset = asset
+ self.institution = institution
+ self.client = client
+ }
 }
 
 public struct IBAN {