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/telegram/internal/deeplink/domain_test.go

@@ -0,0 +1,38 @@
+package deeplink
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestValidateDomain(t *testing.T) {
+	tests := []struct {
+		domain  string
+		wantErr bool
+	}{
+		{"a", false},
+		{"abcdefghijklmnopqrstuvwxyz123456", false},
+		{"Aasdf", false},
+		{"asdf0", false},
+		{"", true},
+		{"asdf_", true},
+		{"asd__fg", true},
+		{"_asdf", true},
+		{"0asdf", true},
+		{"9asdf", true},
+		{"abcdefghijklmnopqrstuvwxyz1234567", true},
+		{"abcdefghijklmnop-qrstuvwxyz", true},
+		{"abcdefghijklmnop~qrstuvwxyz", true},
+	}
+	for _, tt := range tests {
+		t.Run(tt.domain, func(t *testing.T) {
+			err := ValidateDomain(tt.domain)
+			if tt.wantErr {
+				require.Error(t, err)
+			} else {
+				require.NoError(t, err)
+			}
+		})
+	}
+}