feat: add to the Telegram bot API new version capabilities

[yeikel16]

Add new properties to WebApp class:

• headerColor | String
• backgroundColor | String
• isClosingConfirmationEnabled | Boolean
• BackButton | Class #5
• HapticFeedback | Class #6
• version | String
• platform | String
• isVersionAtLeast(version) | Function
• setHeaderColor(color) | Function
• setBackgroundColor(color) | Function
• enableClosingConfirmation() | Function
• disableClosingConfirmation() | Function
• switchInlineQuery(query[, choose_chat_types]) | Function
• openLink(url[, options]) | Function
• openTelegramLink(url) | Function
• openInvoice(url[, callback]) | Function
• showPopup(params[, callback]) | Function
• showAlert(message[, callback]) | Function
• showConfirm(message[, callback]) | Function
• showScanQrPopup(params[, callback])
• closeScanQrPopup() | Function
• readTextFromClipboard([callback]) | Function

Add new properties to ThemeParams class:

• secondaryBgColor | String

Add new properties to MainButton class:

• offClick(callback) | Function

Add new properties to WebAppInitData class:

• chat | WebAppChat class
• chatType | String
• chatInstance | String
• canSendAfter | Duration

Add new properties to WebAppUser class:

• isPremium | Boolean

Add new event to WebAppEventType enum:

• backButtonClicked
• settingsButtonClicked
• invoiceClosed
• popupClosed
• qrTextReceived
• clipboardTextReceived