Still working on getting client credential flow complete, most of the request works but still working on generating the JWT.

IdentityShroud.Core/Services/OpenId/TokenService.cs

@@ -0,0 +1,30 @@
+namespace IdentityShroud.Core.Services.OpenId;
+
+public interface ITokenService
+{
+    Task<Result<TokenResponse>> Handle(
+        Dictionary<string, string> form,
+        string? basicAuthUser,
+        string? basicAuthPassword,
+        CancellationToken ct = default);
+}
+
+public class TokenService : ITokenService
+{
+    public async Task<Result<TokenResponse>> Handle(
+        Dictionary<string, string> form,
+        string? basicAuthUser,
+        string? basicAuthPassword,
+        CancellationToken ct = default)
+    {
+        return new();
+    }
+
+    public async Task<Result<TokenResponse>> ClientCredentialsFlow(
+        string clientId, 
+        string clientSecret,
+        CancellationToken ct = default)
+    {
+        return new();
+    }
+}