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/api/auth.go

@@ -0,0 +1,26 @@
+package api // import "github.com/SevereCloud/vksdk/v2/api"
+
+// AuthCheckPhone checks a user's phone number for correctness.
+//
+// https://vk.com/dev/auth.checkPhone
+//
+// Deprecated: This method is deprecated and may be disabled soon, please avoid
+// using it.
+func (vk *VK) AuthCheckPhone(params Params) (response int, err error) {
+	err = vk.RequestUnmarshal("auth.checkPhone", &response, params)
+	return
+}
+
+// AuthRestoreResponse struct.
+type AuthRestoreResponse struct {
+	Success int    `json:"success"`
+	SID     string `json:"sid"`
+}
+
+// AuthRestore allows to restore account access using a code received via SMS.
+//
+// https://vk.com/dev/auth.restore
+func (vk *VK) AuthRestore(params Params) (response AuthRestoreResponse, err error) {
+	err = vk.RequestUnmarshal("auth.restore", &response, params)
+	return
+}