Add vk bridge (#1372)

* Add vk bridge

* Vk bridge attachments

* Vk bridge forwarded messages

* Vk bridge sample config and code cleanup

* Vk bridge add vendor

* Vk bridge message edit

* Vk bridge: fix fetching names of other bots

* Vk bridge: code cleanup

* Vk bridge: fix shadows declaration

* Vk bridge: remove UseFileURL

vendor/github.com/SevereCloud/vksdk/v2/object/orders.go

@@ -0,0 +1,45 @@
+package object // import "github.com/SevereCloud/vksdk/v2/object"
+
+// OrdersAmount struct.
+type OrdersAmount struct {
+	Amounts  []OrdersAmountItem `json:"amounts"`
+	Currency string             `json:"currency"` // Currency name
+}
+
+// OrdersAmountItem struct.
+type OrdersAmountItem struct {
+	Amount      int    `json:"amount"`      // Votes amount in user's currency
+	Description string `json:"description"` // Amount description
+	Votes       string `json:"votes"`       // Votes number
+}
+
+// OrdersOrder struct.
+type OrdersOrder struct {
+	Amount              int    `json:"amount"`                // Amount
+	AppOrderID          int    `json:"app_order_id"`          // App order ID
+	CancelTransactionID int    `json:"cancel_transaction_id"` // Cancel transaction ID
+	Date                int    `json:"date"`                  // Date of creation in Unixtime
+	ID                  int    `json:"id"`                    // Order ID
+	Item                string `json:"item"`                  // Order item
+	ReceiverID          int    `json:"receiver_id"`           // Receiver ID
+	Status              string `json:"status"`                // Order status
+	TransactionID       int    `json:"transaction_id"`        // Transaction ID
+	UserID              int    `json:"user_id"`               // User ID
+}
+
+// OrdersSubscription struct.
+type OrdersSubscription struct {
+	CancelReason    string      `json:"cancel_reason"`     // Cancel reason
+	CreateTime      int         `json:"create_time"`       // Date of creation in Unixtime
+	ID              int         `json:"id"`                // Subscription ID
+	ItemID          string      `json:"item_id"`           // Subscription order item
+	NextBillTime    int         `json:"next_bill_time"`    // Date of next bill in Unixtime
+	Period          int         `json:"period"`            // Subscription period
+	PeriodStartTime int         `json:"period_start_time"` // Date of last period start in Unixtime
+	Price           int         `json:"price"`             // Subscription price
+	Status          string      `json:"status"`            // Subscription status
+	PendingCancel   BaseBoolInt `json:"pending_cancel"`    // Pending cancel state
+	TestMode        BaseBoolInt `json:"test_mode"`         // Is test subscription
+	TrialExpireTime int         `json:"trial_expire_time"` // Date of trial expire in Unixtime
+	UpdateTime      int         `json:"update_time"`       // Date of last change in Unixtime
+}