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/downloadedGames.go

@@ -0,0 +1,19 @@
+package api // import "github.com/SevereCloud/vksdk/v2/api"
+
+import (
+	"github.com/SevereCloud/vksdk/v2/object"
+)
+
+// DownloadedGamesGetPaidStatusResponse struct.
+type DownloadedGamesGetPaidStatusResponse struct {
+	IsPaid object.BaseBoolInt `json:"is_paid"`
+}
+
+// DownloadedGamesGetPaidStatus method.
+//
+// https://vk.com/dev/downloadedGames.getPaidStatus
+func (vk *VK) DownloadedGamesGetPaidStatus(params Params) (response DownloadedGamesGetPaidStatusResponse, err error) {
+	err = vk.RequestUnmarshal("downloadedGames.getPaidStatus", &response, params, Params{"extended": false})
+
+	return
+}