changed the way images are passed

llm.go

@@ -12,11 +12,17 @@ const (
 	RoleAssistant Role = "assistant"
 )
 
+type Image struct {
+	Base64      string
+	ContentType string
+	Url         string
+}
+
 type Message struct {
-	Role        Role
-	Name        string
-	Text        string
-	ImageBase64 string // ImageBase64 is the base64 string if the message contains an image, empty string otherwise.
+	Role   Role
+	Name   string
+	Text   string
+	Images []Image
 }
 
 type Request struct {