Started implementing oauth2 based on MoonCore helper services

Its more or less a test how well the helper services improve the implementation. I havent implemented anything fancy here atm. Just testing the oauth2 flow

Moonlight.ApiServer/Database/Migrations/CoreDataContextModelSnapshot.cs

@@ -31,6 +31,10 @@ namespace Moonlight.ApiServer.Database.Migrations
 
                     MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));
 
+                    b.Property<string>("AccessToken")
+                        .IsRequired()
+                        .HasColumnType("longtext");
+
                     b.Property<string>("Email")
                         .IsRequired()
                         .HasColumnType("longtext");
@@ -43,6 +47,13 @@ namespace Moonlight.ApiServer.Database.Migrations
                         .IsRequired()
                         .HasColumnType("longtext");
 
+                    b.Property<DateTime>("RefreshTimestamp")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<string>("RefreshToken")
+                        .IsRequired()
+                        .HasColumnType("longtext");
+
                     b.Property<DateTime>("TokenValidTimestamp")
                         .HasColumnType("datetime(6)");