Add username/password auth and login UI

Data/Migrations/AppDbContextModelSnapshot.cs

@@ -55,8 +55,32 @@ namespace GameList.Data.Migrations
                         .HasMaxLength(64)
                         .HasColumnType("TEXT");
 
+                    b.Property<DateTimeOffset?>("LastLoginAt")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("NormalizedUsername")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("TEXT");
+
+                    b.Property<byte[]>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("BLOB");
+
+                    b.Property<byte[]>("PasswordSalt")
+                        .IsRequired()
+                        .HasColumnType("BLOB");
+
+                    b.Property<string>("Username")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("TEXT");
+
                     b.HasKey("Id");
 
+                    b.HasIndex("NormalizedUsername")
+                        .IsUnique();
+
                     b.ToTable("Players");
                 });