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/donut.go

@@ -0,0 +1,49 @@
+package api
+
+import "github.com/SevereCloud/vksdk/v2/object"
+
+// DonutGetFriendsResponse struct.
+type DonutGetFriendsResponse struct {
+	Count int                `json:"count"`
+	Items []object.UsersUser `json:"items"`
+}
+
+// DonutGetFriends method.
+//
+// https://vk.com/dev/donut.getFriends
+func (vk *VK) DonutGetFriends(params Params) (response DonutGetFriendsResponse, err error) {
+	err = vk.RequestUnmarshal("donut.getFriends", &response, params)
+	return
+}
+
+// DonutGetSubscription method.
+//
+// https://vk.com/dev/donut.getSubscription
+func (vk *VK) DonutGetSubscription(params Params) (response object.DonutDonatorSubscriptionInfo, err error) {
+	err = vk.RequestUnmarshal("donut.getSubscription", &response, params)
+	return
+}
+
+// DonutGetSubscriptionsResponse struct.
+type DonutGetSubscriptionsResponse struct {
+	Subscriptions []object.DonutDonatorSubscriptionInfo `json:"subscriptions"`
+	Count         int                                   `json:"count"`
+	Profiles      []object.UsersUser                    `json:"profiles"`
+	Groups        []object.GroupsGroup                  `json:"groups"`
+}
+
+// DonutGetSubscriptions method.
+//
+// https://vk.com/dev/donut.getSubscriptions
+func (vk *VK) DonutGetSubscriptions(params Params) (response DonutGetSubscriptionsResponse, err error) {
+	err = vk.RequestUnmarshal("donut.getSubscriptions", &response, params)
+	return
+}
+
+// DonutIsDon method.
+//
+// https://vk.com/dev/donut.isDon
+func (vk *VK) DonutIsDon(params Params) (response int, err error) {
+	err = vk.RequestUnmarshal("donut.isDon", &response, params)
+	return
+}