Add JWT auth, token service & Neutrino endpoint

RecNet.Domain/Services/Configuration/IConfigService.cs

@@ -0,0 +1,7 @@
+namespace RecNet.Domain.Services.Configuration;
+
+public interface IConfigService
+{
+    Task<T?> GetAsync<T>(string key, T? defaultValue = default, CancellationToken ct = default);
+    Task SetAsync<T>(string key, T value, CancellationToken ct = default);
+}

RecNet.Domain/Services/Tokens/ITokenService.cs

@@ -0,0 +1,9 @@
+using RecNet.Domain.Entities.Profiles;
+
+namespace RecNet.Domain.Services.Tokens;
+
+public interface ITokenService
+{
+    TokenResult GenerateProfileToken(Profile profile);
+    TokenVerifyResult VerifyToken(string token);
+}

RecNet.Domain/Services/Tokens/TokenResult.cs

@@ -0,0 +1,5 @@
+namespace RecNet.Domain.Services.Tokens;
+
+public sealed record TokenResult(
+    string AccessToken,
+    int ExpiresIn);

RecNet.Domain/Services/Tokens/TokenVerifyResult.cs

@@ -0,0 +1,21 @@
+using System.Security.Claims;
+
+namespace RecNet.Domain.Services.Tokens;
+
+public class TokenVerifyResult
+{
+    public bool IsError { get; set; }
+    public IEnumerable<Claim> Claims { get; set; }
+
+    private TokenVerifyResult(bool isError, IEnumerable<Claim>? claims)
+    {
+        IsError = isError;
+        Claims = claims ?? [];
+    }
+    
+    public static TokenVerifyResult Success(IEnumerable<Claim> claims)
+        => new(false, claims);
+    
+    public static TokenVerifyResult Failure()
+        => new(true, null);
+}