fix: embed images

Previously was not an absolute URL

Author: FireIsGood

src/consts.ts

@@ -1,6 +1,6 @@
 export const SITE_TITLE = "FireIsWebsite";
 export const SITE_DESCRIPTION = "The website of FireIsGood";
-export const SITE_EMBED_IMAGE = "embed-image.png";
+export const SITE_EMBED_IMAGE = "/embed-image.png";
 
 export const AUTHOR_NAME = "FireIsGood";
 export const AUTHOR_DESCRIPTION = "Programmer and blog author";