feat: implement ofac file service

src/SanctionsSearch.Worker/Interfaces/IOfacFileService.cs

@@ -1,5 +1,15 @@
+using FluentResults;
+
 namespace SanctionsSearch.Worker.Interfaces;
 
 interface IOfacFileService
 {
+  Task<Result<Stream>> GetSdnFileAsync();
+  Task<Result<Stream>> GetAddressFileAsync();
+  Task<Result<Stream>> GetAltNamesFileAsync();
+  Task<Result<Stream>> GetCommentsFileAsync();
+  Task<Result<Stream>> GetConPrimaryNameFileAsync();
+  Task<Result<Stream>> GetConAddressesFileAsync();
+  Task<Result<Stream>> GetConAltNamesFileAsync();
+  Task<Result<Stream>> GetConCommentsFileAsync();
 }