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/prettycards.go

@@ -0,0 +1,79 @@
+package api // import "github.com/SevereCloud/vksdk/v2/api"
+
+import "github.com/SevereCloud/vksdk/v2/object"
+
+// PrettyCardsCreateResponse struct.
+type PrettyCardsCreateResponse struct {
+	OwnerID int    `json:"owner_id"` // Owner ID of created pretty card
+	CardID  string `json:"card_id"`  // Card ID of created pretty card
+}
+
+// PrettyCardsCreate method.
+//
+// https://vk.com/dev/prettyCards.create
+func (vk *VK) PrettyCardsCreate(params Params) (response PrettyCardsCreateResponse, err error) {
+	err = vk.RequestUnmarshal("prettyCards.create", &response, params)
+	return
+}
+
+// PrettyCardsDeleteResponse struct.
+type PrettyCardsDeleteResponse struct {
+	OwnerID int    `json:"owner_id"` // Owner ID of created pretty card
+	CardID  string `json:"card_id"`  // Card ID of created pretty card
+	Error   string `json:"error"`    // Error reason if error happened
+}
+
+// PrettyCardsDelete method.
+//
+// https://vk.com/dev/prettyCards.delete
+func (vk *VK) PrettyCardsDelete(params Params) (response PrettyCardsDeleteResponse, err error) {
+	err = vk.RequestUnmarshal("prettyCards.delete", &response, params)
+	return
+}
+
+// PrettyCardsEditResponse struct.
+type PrettyCardsEditResponse struct {
+	OwnerID int    `json:"owner_id"` // Owner ID of created pretty card
+	CardID  string `json:"card_id"`  // Card ID of created pretty card
+}
+
+// PrettyCardsEdit method.
+//
+// https://vk.com/dev/prettyCards.edit
+func (vk *VK) PrettyCardsEdit(params Params) (response PrettyCardsEditResponse, err error) {
+	err = vk.RequestUnmarshal("prettyCards.edit", &response, params)
+	return
+}
+
+// PrettyCardsGetResponse struct.
+type PrettyCardsGetResponse struct {
+	Count int                            `json:"count"` // Total number
+	Items []object.PrettyCardsPrettyCard `json:"items"`
+}
+
+// PrettyCardsGet method.
+//
+// https://vk.com/dev/prettyCards.get
+func (vk *VK) PrettyCardsGet(params Params) (response PrettyCardsGetResponse, err error) {
+	err = vk.RequestUnmarshal("prettyCards.get", &response, params)
+	return
+}
+
+// PrettyCardsGetByIDResponse struct.
+type PrettyCardsGetByIDResponse []object.PrettyCardsPrettyCard
+
+// PrettyCardsGetByID method.
+//
+// https://vk.com/dev/prettyCards.getById
+func (vk *VK) PrettyCardsGetByID(params Params) (response PrettyCardsGetByIDResponse, err error) {
+	err = vk.RequestUnmarshal("prettyCards.getById", &response, params)
+	return
+}
+
+// PrettyCardsGetUploadURL method.
+//
+// https://vk.com/dev/prettyCards.getUploadURL
+func (vk *VK) PrettyCardsGetUploadURL(params Params) (response string, err error) {
+	err = vk.RequestUnmarshal("prettyCards.getUploadURL", &response, params)
+	return
+}