refactor: move producer type and method out of studio.go

integrations/jikan/types.go

@@ -22,6 +22,29 @@ type StudioAnimeResult struct {
 	StudioName  string
 }
 
+type ProducerResponse struct {
+	Data struct {
+		MalID  int `json:"mal_id"`
+		Titles []struct {
+			Type  string `json:"type"`
+			Title string `json:"title"`
+		} `json:"titles"`
+		Images struct {
+			Jpg struct {
+				ImageURL string `json:"image_url"`
+			} `json:"jpg"`
+		} `json:"images"`
+		Favorites   int    `json:"favorites"`
+		Established string `json:"established"`
+		About       string `json:"about"`
+		Count       int    `json:"count"`
+		External    []struct {
+			Name string `json:"name"`
+			URL  string `json:"url"`
+		} `json:"external"`
+	} `json:"data"`
+}
+
 type NamedEntity struct {
 	MalID int    `json:"mal_id"`
 	Name  string `json:"name"`