feat: begin working on Onspring worker

src/SanctionsSearch.Worker/Setup/OnspringOptionsSetup.cs

@@ -0,0 +1,9 @@
+namespace SanctionsSearch.Worker.Setup;
+
+class OnspringOptionsSetup(IConfiguration configuration) : IConfigureOptions<OnspringOptions>
+{
+  private const string SectionName = nameof(OnspringOptions);
+  private readonly IConfiguration _configuration = configuration;
+
+  public void Configure(OnspringOptions options) => _configuration.GetSection(SectionName).Bind(options);
+}