create embed post for epic games

because they no longer create them for urls

cmd/dealsbot/api/epic.go

@@ -42,8 +42,12 @@ type epicApiBody struct {
 					Description          string `json:"description"`
 					OfferType            string `json:"offerType"`
 					IsCodeRedemptionOnly bool   `json:"isCodeRedemptionOnly"`
-					ProductSlug          string `json:"productSlug"`
-					OfferMappings        []struct {
+					KeyImages            []struct {
+						Type string `json:"type"`
+						Url  string `json:"url"`
+					} `json:"keyImages"`
+					ProductSlug   string `json:"productSlug"`
+					OfferMappings []struct {
 						PageSlug string `json:"pageSlug"`
 						PageType string `json:"pageType"`
 					} `json:"offerMappings"`
@@ -119,6 +123,13 @@ func (e EpicStruct) Load() error {
 			continue
 		}
 
+		image := ""
+		for _, keyImage := range element.KeyImages {
+			if keyImage.Type == "DieselStoreFrontWide" {
+				image = keyImage.Url
+			}
+		}
+
 		id := fmt.Sprintf("%v%v", e.idPrefix, element.Id)
 		title := element.Title
 		url := fmt.Sprintf("%v%v", e.baseUrl, productSlug)
@@ -127,6 +138,7 @@ func (e EpicStruct) Load() error {
 			Id:    id,
 			Title: title,
 			Url:   url,
+			Image: image,
 		}
 	}