Added .net standard 2.0 and .net framework 4.8 support

EonaCat.SecureToken.Tests/TokenServiceTests.cs

@@ -1,18 +1,17 @@
 using FluentAssertions;
-using SecureToken.Core;
-using SecureToken.Cryptography;
-using SecureToken.Validation;
+using EonaCat.SecureToken.Core;
+using EonaCat.SecureToken.Cryptography;
+using EonaCat.SecureToken.Validation;
 using Xunit;
 
-namespace SecureToken.Tests
+namespace EonaCat.SecureToken.Tests
 {
     public sealed class TokenServiceTests
     {
         private static ITokenService CreateService(SigningKeyStore? store = null) =>
             new TokenService(store ?? SigningKeyStore.CreateNew());
 
-        // ── Issue & Validate ─────────────────────────────────────────────────────
-
+        // Issue & Validate
         [Fact]
         public void Issue_And_Validate_ReturnsSuccess()
         {
@@ -142,8 +141,7 @@ namespace SecureToken.Tests
             result.IsSuccess.Should().BeTrue();
         }
 
-        // ── Key Rotation ─────────────────────────────────────────────────────────
-
+        // Key Rotation
         [Fact]
         public void KeyRotation_OldTokensRemainValid()
         {
@@ -186,8 +184,7 @@ namespace SecureToken.Tests
             result.IsSuccess.Should().BeTrue();
         }
 
-        // ── Token Pair ───────────────────────────────────────────────────────────
-
+        // Token Pair
         [Fact]
         public void IssueTokenPair_ProducesValidPair()
         {
@@ -213,8 +210,7 @@ namespace SecureToken.Tests
             result.Should().BeOfType<TokenResult.WrongTokenType>();
         }
 
-        // ── Revocation ───────────────────────────────────────────────────────────
-
+        // Revocation
         [Fact]
         public async Task RevocationCheck_RevokedToken_ReturnsRevoked()
         {
@@ -237,8 +233,7 @@ namespace SecureToken.Tests
             result.Should().BeOfType<TokenResult.Revoked>();
         }
 
-        // ── Inspect (no signature check) ─────────────────────────────────────────
-
+        // Inspect (no signature check)
         [Fact]
         public void Inspect_MalformedToken_ReturnsNull()
         {