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/leadforms.go

@@ -0,0 +1,44 @@
+package object
+
+// LeadFormsForm struct.
+type LeadFormsForm struct {
+	FormID        int         `json:"form_id"`
+	GroupID       int         `json:"group_id"`
+	Photo         interface{} `json:"photo"`
+	Name          string      `json:"name"`
+	Title         string      `json:"title"`
+	Description   string      `json:"description"`
+	Confirmation  string      `json:"confirmation"`
+	SiteLinkURL   string      `json:"site_link_url"`
+	PolicyLinkURL string      `json:"policy_link_url"`
+	Questions     []struct {
+		Type    string `json:"type"`
+		Key     string `json:"key"`
+		Label   string `json:"label,omitempty"`
+		Options []struct {
+			Label string `json:"label"`
+			Key   string `json:"key"`
+		} `json:"options,omitempty"`
+	} `json:"questions"`
+	Active       int    `json:"active"`
+	LeadsCount   int    `json:"leads_count"`
+	PixelCode    string `json:"pixel_code"`
+	OncePerUser  int    `json:"once_per_user"`
+	NotifyAdmins string `json:"notify_admins"`
+	NotifyEmails string `json:"notify_emails"`
+	URL          string `json:"url"`
+}
+
+// LeadFormsLead struct.
+type LeadFormsLead struct {
+	LeadID  string `json:"lead_id"`
+	UserID  string `json:"user_id"`
+	Date    string `json:"date"`
+	Answers []struct {
+		Key    string `json:"key"`
+		Answer struct {
+			Value string `json:"value"`
+		} `json:"answer"`
+	} `json:"answers"`
+	AdID string `json:"ad_id"`
+}