chore: refactor to separate files

src/SanctionsSearch.Worker.Tests/Unit/OfacFileServiceOptionsTests.cs

@@ -0,0 +1,5 @@
+namespace SanctionsSearch.Worker.Tests.Unit;
+
+public class OfacFileServiceOptionsTests
+{
+}

src/SanctionsSearch.Worker.Tests/Usings.cs

@@ -8,3 +8,4 @@ global using Moq;
 global using RichardSzalay.MockHttp;
 
 global using SanctionsSearch.Worker.Services;
+global using SanctionsSearch.Worker.Options;