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/message/markup/keyboard.go

@@ -0,0 +1,62 @@
+package markup
+
+import (
+	"go.mau.fi/mautrix-telegram/pkg/gotd/tg"
+)
+
+// ReplyKeyboardMarkupBuilder is a keyboard markup builder.
+type ReplyKeyboardMarkupBuilder struct {
+	kb tg.ReplyKeyboardMarkup
+}
+
+// Resize sets flag to request clients to resize the keyboard vertically for
+// optimal fit (e.g., make the keyboard smaller if there are just two rows of buttons).
+// If not set, the custom keyboard is always of the same height as the app's standard keyboard.
+func (b *ReplyKeyboardMarkupBuilder) Resize() *ReplyKeyboardMarkupBuilder {
+	b.kb.Resize = true
+	return b
+}
+
+// SingleUse sets flag to request clients to hide the keyboard as soon as it's been used.
+// The keyboard will still be available, but clients will automatically display the usual letter-keyboard
+// in the chat – the user can press a special button in the input field to see the custom keyboard again.
+func (b *ReplyKeyboardMarkupBuilder) SingleUse() *ReplyKeyboardMarkupBuilder {
+	b.kb.SingleUse = true
+	return b
+}
+
+// Selective sets flag to show the keyboard to specific users only.
+// Targets:
+//  1. users that are @mentioned in the text of the Message object;
+//  2. if the bot's message is a reply (has reply_to_message_id), sender of the original message.
+//
+// Example: A user requests to change the bot‘s language, bot replies to the request
+// with a keyboard to select the new language.
+// Other users in the group don’t see the keyboard.
+func (b *ReplyKeyboardMarkupBuilder) Selective() *ReplyKeyboardMarkupBuilder {
+	b.kb.Selective = true
+	return b
+}
+
+// Build returns created keyboard.
+func (b *ReplyKeyboardMarkupBuilder) Build(rows ...tg.KeyboardButtonRow,
+) tg.ReplyMarkupClass {
+	cp := b.kb
+	cp.Rows = rows
+	return &cp
+}
+
+// BuildKeyboard creates keyboard builder.
+func BuildKeyboard() *ReplyKeyboardMarkupBuilder {
+	return &ReplyKeyboardMarkupBuilder{}
+}
+
+// SingleRow creates keyboard with single row using given buttons.
+func SingleRow(buttons ...tg.KeyboardButtonClass) tg.ReplyMarkupClass {
+	return Keyboard(Row(buttons...))
+}
+
+// Keyboard creates keyboard using given rows.
+func Keyboard(rows ...tg.KeyboardButtonRow) tg.ReplyMarkupClass {
+	return BuildKeyboard().Build(rows...)
+}