move gotd fork into repo. (#111)

- update to latest telegram layer
- remove some references to fields in tg.Entities that don't exist in
the schema
- originally added here:
https://github.com/beeper/td/commit/820929062a2ba0104397bc01235ab58a9cff780e
  - referenced here
-
https://github.com/mautrix/telegramgo/commit/124f0967ed195b5a380c9bd02e170ada9710dde3
-
https://github.com/mautrix/telegramgo/commit/4205047aab2e0639217148b5d125bfaab668bd8e

pkg/gotd/tdp/tdp_test.go

@@ -0,0 +1,49 @@
+package tdp_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"go.mau.fi/mautrix-telegram/pkg/gotd/tdp"
+	"go.mau.fi/mautrix-telegram/pkg/gotd/tdp/internal/schema"
+)
+
+func TestFormat(t *testing.T) {
+	for _, tt := range []struct {
+		Input   tdp.Object
+		Output  string
+		Options []tdp.Option
+	}{
+		{
+			Output: "<nil>",
+		},
+		{
+			Input: &schema.DCOption{
+				ID:        10,
+				IPAddress: "127.0.0.1",
+				Port:      1010,
+			},
+			Options: []tdp.Option{tdp.WithTypeID},
+			Output:  "dcOption#18b7a10d",
+		},
+
+		{
+			Input: &schema.Config{
+				DCOptions: []schema.DCOption{
+					{
+						ID:        1,
+						IPAddress: "127.0.0.1",
+						Port:      1010,
+					},
+				},
+			},
+			Options: []tdp.Option{tdp.WithTypeID},
+		},
+	} {
+		t.Skip("TODO: Use golden files")
+		t.Run(tt.Output, func(t *testing.T) {
+			require.Equal(t, tt.Output, tdp.Format(tt.Input, tt.Options...))
+		})
+	}
+}