Added imagekit optimization support

internal/services/imgKitHelper.go

@@ -0,0 +1,20 @@
+package services
+
+import "CatsOfMastodonBotGo/internal/config"
+
+type ImgKitHelper struct {
+}
+
+var ImgKitHelperInstance *ImgKitHelper
+
+func InitImgKitHelper() {
+	ImgKitHelperInstance = &ImgKitHelper{}
+}
+
+func GetPreviewUrl(url string) string {
+	return "https://ik.imagekit.io/" + config.Config.ImageKitId + "/tr:w-500,h-500,c-at_max,f-webp,q-60/" + url
+}
+
+func GetRemoteUrl(url string) string {
+	return "https://ik.imagekit.io/" + config.Config.ImageKitId + "/tr:q-70,dpr-auto,f-webp/" + url
+}