Add application services for profiles and neutrino

RecNet.Application/Profiles/IProfileService.cs

@@ -0,0 +1,8 @@
+namespace RecNet.Application.Profiles;
+
+public interface IProfileService
+{
+    Task<ProfileDTO?> GetProfileAsync(Guid profileId, CancellationToken ct = default);
+    Task<IReadOnlyList<ProfileDTO>> GetProfilesAsync(List<Guid> profileIds, CancellationToken ct = default);
+    Task<LoginProfileResult> LoginAsync(LoginProfileCommand command, CancellationToken ct = default);
+}