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/fave.go

@@ -0,0 +1,41 @@
+package object
+
+// FaveTag struct.
+type FaveTag struct {
+	ID   int    `json:"id"`
+	Name string `json:"name"`
+}
+
+// FavePage struct.
+type FavePage struct {
+	Type        string      `json:"type"`
+	Description string      `json:"description"`
+	Tags        []FaveTag   `json:"tags"`
+	UpdatedDate int         `json:"updated_date"`
+	User        UsersUser   `json:"user"`
+	Group       GroupsGroup `json:"group"`
+}
+
+// FaveFavesLink struct.
+type FaveFavesLink struct {
+	URL         string      `json:"url"`
+	Title       string      `json:"title"`
+	Caption     string      `json:"caption"`
+	Description string      `json:"description"`
+	Photo       PhotosPhoto `json:"photo"`
+	IsFavorite  BaseBoolInt `json:"is_favorite"`
+	ID          string      `json:"id"`
+}
+
+// FaveItem struct.
+type FaveItem struct {
+	Type      string           `json:"type"`
+	Seen      BaseBoolInt      `json:"seen"`
+	AddedDate int              `json:"added_date"`
+	Tags      []FaveTag        `json:"tags"`
+	Link      FaveFavesLink    `json:"link,omitempty"`
+	Post      WallWallpost     `json:"post,omitempty"`
+	Video     VideoVideo       `json:"video,omitempty"`
+	Product   MarketMarketItem `json:"product,omitempty"`
+	Article   Article          `json:"article,omitempty"`
+}